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		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792875</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792875"/>
		<updated>2019-05-24T14:46:03Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
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Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
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|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
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===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
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[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
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Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===Basic Information===&lt;br /&gt;
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Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
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ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
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B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
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==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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Charge on [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;: P=+1.666, C=-1.050, H=+0.298.&lt;br /&gt;
&lt;br /&gt;
Charge on [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;: N=-0.295, C=-0.483, H=+0.269.&lt;br /&gt;
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For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous.Therefore, the negative charges are concentrated on carbon atoms.&lt;br /&gt;
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For [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, nitrogen is more electronegative than carbon. Therefore, the negative charge density is concentrated around nitrogen. Since carbon is also electron negative than hydrogen, the positive charge is concentrated on hydrogen atoms.&lt;br /&gt;
&lt;br /&gt;
==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792864</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792864"/>
		<updated>2019-05-24T14:44:02Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
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Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous.Therefore, the negative charges are concentrated on carbon atoms.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, nitrogen is more electronegative than carbon. Therefore, the negative charge density is concentrated around nitrogen. Since carbon is also electron negative than hydrogen, the positive charge is concentrated on hydrogen atoms.&lt;br /&gt;
&lt;br /&gt;
==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792860</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792860"/>
		<updated>2019-05-24T14:43:34Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
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For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous.Therefore, the negative charges are concentrated on carbon atoms.&lt;br /&gt;
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For [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, nitrogen is more electronegative than carbon. Therefore, the negative charge density is concentrated around nitrogen. Since carbon is also electron negative than hydrogen, the positive charge is concentrated on hydrogen atoms.&lt;br /&gt;
&lt;br /&gt;
==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792859</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792859"/>
		<updated>2019-05-24T14:42:52Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous.Therefore, the negative charges are concentrated on carbon atoms.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, nitrogen is more electronegative than carbon. Therefore, the negative charge density is concentrated around nitrogen. Since carbon is also electron negative than hydrogen, the positive charge is concentrated on hydrogen atoms.&lt;br /&gt;
&lt;br /&gt;
==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792858</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792858"/>
		<updated>2019-05-24T14:42:40Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
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For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous.Therefore, the negative charges are concentrated on carbon atoms.&lt;br /&gt;
&lt;br /&gt;
For [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, nitrogen is more electronegative than carbon. Therefore, the negative charge density is concentrated around nitrogen. Since carbon is also electron negative than hydrogen, the positive charge is concentrated on hydrogen atoms.&lt;br /&gt;
&lt;br /&gt;
==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792839</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792839"/>
		<updated>2019-05-24T14:38:55Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
&lt;br /&gt;
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==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792837</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792837"/>
		<updated>2019-05-24T14:38:31Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
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===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792836</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792836"/>
		<updated>2019-05-24T14:38:07Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
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===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
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|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792833</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792833"/>
		<updated>2019-05-24T14:37:46Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
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Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
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|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
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|1213&lt;br /&gt;
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|no&lt;br /&gt;
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|126&lt;br /&gt;
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|Yes&lt;br /&gt;
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|126&lt;br /&gt;
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|Yes&lt;br /&gt;
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===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
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[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
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Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===Basic Information===&lt;br /&gt;
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Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
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ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
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B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792832</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792832"/>
		<updated>2019-05-24T14:37:04Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
&lt;br /&gt;
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===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792830</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792830"/>
		<updated>2019-05-24T14:36:37Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
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Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
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===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
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[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
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Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
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ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
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B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
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==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
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===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P: +1.666&lt;br /&gt;
|charge on N: -0.295&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C: -1.060&lt;br /&gt;
|Charge on C: -0.483&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H: +0.298&lt;br /&gt;
|Charge on H: +0.269&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
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For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792821</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792821"/>
		<updated>2019-05-24T14:34:36Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|Charge on P:&lt;br /&gt;
|charge on N:&lt;br /&gt;
|-&lt;br /&gt;
|Charge on C&lt;br /&gt;
|Charge on C&lt;br /&gt;
|-&lt;br /&gt;
|Charge on H&lt;br /&gt;
|Charge on H&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792810</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792810"/>
		<updated>2019-05-24T14:32:42Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; || [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms  &lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792808</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792808"/>
		<updated>2019-05-24T14:31:04Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
|P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;&lt;br /&gt;
|[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms  &lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792793</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792793"/>
		<updated>2019-05-24T14:27:29Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
For [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt;, phosphorous is more electropositive than carbon hence most of the positive charges are concentrated on phosphorous. Therefore, the negative charges are concentrated on carbon atoms  &lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792735</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792735"/>
		<updated>2019-05-24T14:14:18Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Question */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
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===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
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Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
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[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
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Q2 A:&lt;br /&gt;
Qualitative Mos are only useful to predict the size and shape orbitals for small molecules, For more complex Mos, calculation is needed to get the accurate prediction.&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:6-31G(d.p)&lt;br /&gt;
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===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
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ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
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B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
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==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792690</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792690"/>
		<updated>2019-05-24T14:05:35Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Question */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combination of atomic orbitals, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792684</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792684"/>
		<updated>2019-05-24T14:05:00Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Question */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
The real Mo is calculated by computer, it shows the real size, fragmentation of orbitals and the exact way they mix. LCAO is formed by combining atomic orbitals. Therefore, the exact size cannot be predicted accurately.&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
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&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
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Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792643</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792643"/>
		<updated>2019-05-24T13:57:37Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagram of BH3 */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
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&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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Reference: Hunt P. Lecture_4_Tut_MO_diagram_BH3. Inorganic Lecture Course; 2019.&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
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&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
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E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792634</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792634"/>
		<updated>2019-05-24T13:55:42Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Association energy */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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&lt;br /&gt;
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&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
B-N dative bond is relatively weak compared to C-C bond which is equal to 346 KJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792623</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792623"/>
		<updated>2019-05-24T13:50:57Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Association energy */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.05160 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792596</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792596"/>
		<updated>2019-05-24T13:46:20Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Association energy */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==Association energy==&lt;br /&gt;
E of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -26.61532 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -56.55777 a.u.&lt;br /&gt;
&lt;br /&gt;
E of NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; = -83.22469 a.u.&lt;br /&gt;
&lt;br /&gt;
ΔE= -83.22469-(-26.61532-56.55777) = -0.0516 a.u. = -135 kJ/mol&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792540</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792540"/>
		<updated>2019-05-24T13:38:29Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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==Association energy==&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792434</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792434"/>
		<updated>2019-05-24T13:27:43Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagrams */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|3000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|3000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792430</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792430"/>
		<updated>2019-05-24T13:27:16Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagrams */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|2000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|2000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792426</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792426"/>
		<updated>2019-05-24T13:27:00Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagrams */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|1000px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|1000px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792422</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792422"/>
		<updated>2019-05-24T13:26:45Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagrams */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|00px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|800px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792410</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792410"/>
		<updated>2019-05-24T13:25:48Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagrams */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|800px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|800px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792404</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792404"/>
		<updated>2019-05-24T13:24:43Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MO diagrams */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
===MO diagrams===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792401</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792401"/>
		<updated>2019-05-24T13:24:36Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Charge distribution===&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792399</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792399"/>
		<updated>2019-05-24T13:24:15Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* Charge distribution */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==MO diagrams==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792393</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792393"/>
		<updated>2019-05-24T13:23:33Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792386</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792386"/>
		<updated>2019-05-24T13:23:08Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
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[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
|[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
|-&lt;br /&gt;
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&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792376</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792376"/>
		<updated>2019-05-24T13:21:39Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792371</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792371"/>
		<updated>2019-05-24T13:20:59Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
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{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
|[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
|-&lt;br /&gt;
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{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792362</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792362"/>
		<updated>2019-05-24T13:20:11Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
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[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
|-&lt;br /&gt;
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&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|-&lt;br /&gt;
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&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792355</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792355"/>
		<updated>2019-05-24T13:19:14Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
|92&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792348</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792348"/>
		<updated>2019-05-24T13:18:26Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
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[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792338</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792338"/>
		<updated>2019-05-24T13:17:44Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
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===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792335</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792335"/>
		<updated>2019-05-24T13:17:33Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
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==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|Real MO || LCAO || &lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792329</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792329"/>
		<updated>2019-05-24T13:16:42Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
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[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792290</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792290"/>
		<updated>2019-05-24T13:13:47Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |thumb|500px|LCAO of No.17 ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792284</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=792284"/>
		<updated>2019-05-24T13:13:10Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |thumb|600px|LCAO of No.9 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|thumb|500px|LCAO of No.10 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px|LCAO of No.17 ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791398</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791398"/>
		<updated>2019-05-23T17:20:54Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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&lt;br /&gt;
====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |600px| ]]&lt;br /&gt;
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[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|500px| ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px| ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791396</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791396"/>
		<updated>2019-05-23T17:20:39Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |600px| ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|500px| ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px| ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791395</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791395"/>
		<updated>2019-05-23T17:20:27Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |600px| ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
[[File:10MODIAGRAMMM.jpg|500px| ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px| ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=File:10MODIAGRAMMM.jpg&amp;diff=791391</id>
		<title>File:10MODIAGRAMMM.jpg</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=File:10MODIAGRAMMM.jpg&amp;diff=791391"/>
		<updated>2019-05-23T17:19:42Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791372</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791372"/>
		<updated>2019-05-23T17:12:23Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |600px| ]]&lt;br /&gt;
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[[File:Mo10000.PNG |200px|thumb|left| No.10 MO   ]]&lt;br /&gt;
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[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px| ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791371</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791371"/>
		<updated>2019-05-23T17:12:16Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
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===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
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==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
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===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
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===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |600px| ]]&lt;br /&gt;
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&lt;br /&gt;
[[File:Mo10000.PNG |50px|thumb|left| No.10 MO   ]]&lt;br /&gt;
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&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px| ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
	<entry>
		<id>https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791369</id>
		<title>ZQR01333824</title>
		<link rel="alternate" type="text/html" href="https://chemwiki.ch.ic.ac.uk/index.php?title=ZQR01333824&amp;diff=791369"/>
		<updated>2019-05-23T17:12:03Z</updated>

		<summary type="html">&lt;p&gt;Qz3617: /* MOs */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;=&#039;&#039;&#039;Small molecules&#039;&#039;&#039;=&lt;br /&gt;
==BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQR_BH3_1.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000011     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000006     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000043     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000022     0.001200     YES&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR-BH3_FERQ.LOG ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -14.6858  -14.6818  -11.0436   -0.0009    0.0165    0.3415&lt;br /&gt;
&lt;br /&gt;
Low frequencies --- 1162.9492 1213.1220 1213.1222&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR-BH3_FERQ.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Vibrational spectrum for BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|+ &lt;br /&gt;
|-&lt;br /&gt;
|wavenumber (cm&amp;lt;sup&amp;gt;-1&amp;lt;/sup&amp;gt;) || Intensity (arbitrary units) || symmetry || IR active? || type&lt;br /&gt;
|-&lt;br /&gt;
|1163&lt;br /&gt;
|92&lt;br /&gt;
|A&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&lt;br /&gt;
|Yes&lt;br /&gt;
|out-of-plane bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|1213&lt;br /&gt;
|14&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|bend&lt;br /&gt;
|-&lt;br /&gt;
|2583&lt;br /&gt;
|0&lt;br /&gt;
|A&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;&lt;br /&gt;
|no&lt;br /&gt;
|symmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|-&lt;br /&gt;
|2716&lt;br /&gt;
|126&lt;br /&gt;
|E&#039;&lt;br /&gt;
|Yes&lt;br /&gt;
|asymmetric stretch&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
[[File:BIG IR.PNG |800px|thumb|left|IR spectrum of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
A: There are only three peaks on IR spectrum, which represents mode 1, mode 2 &amp;amp; 3 and mode 5 &amp;amp; 6. Mode 1 is IR active because there is change in dipole moment. Mode 2 and mode 3 are degenerate so they show as one peak. Same for mode 5 and 6 since they are also degenerate. Mode 4 is IR inactive because there is no net change in dipole moment.&lt;br /&gt;
&lt;br /&gt;
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===&#039;&#039;&#039;MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRMO diagram.png |800px|thumb|left|MO diagram of BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;]]&lt;br /&gt;
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====Question====&lt;br /&gt;
Q1 A: &lt;br /&gt;
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Q2 A:&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===Basic Information===&lt;br /&gt;
&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===Summary table===&lt;br /&gt;
[[File:ZQRNh3_freq.PNG |thumb|left|Summary table of optimised frequency NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===Item table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000006     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000003     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000013     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000007     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQR_NH3_1_OPT_FREQ2.LOG]]&lt;br /&gt;
&lt;br /&gt;
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===Low frequency table===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0129   -0.0018    0.0001    7.0724    8.1020    8.1023&lt;br /&gt;
Low frequencies --- 1089.3849 1693.9369 1693.9369&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQR_NH3_1_OPT_FREQ2.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
[[File:ZQRNH3BH31.PNG |thumb|left|Summary table of optimised NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000350     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000112     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.001347     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000450     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:ZQRNH3BH3_FREQUENCY.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0265   -0.0066   -0.0053   10.4126   10.4592   38.3629&lt;br /&gt;
Low frequencies ---  265.3603  634.4262  639.2330&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRNH3BH3_FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==NI&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule==&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:Gen&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZQRNI3ITEM.PNG |thumb|left|Summary table of optimised BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000096     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000075     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000860     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000613     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;frequency log file&#039;&#039;&#039;===&lt;br /&gt;
[[Media:23NI3FREQ3.LOG  ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---  -12.7408  -12.7347   -6.4001   -0.0039    0.0188    0.0622&lt;br /&gt;
Low frequencies ---  101.0654  101.0662  147.4490&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;23NI3FREQ3.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=&#039;&#039;&#039;Mini Projects: Ionic liquids&#039;&#039;&#039;=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
==[N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrNch34.PNG |thumb|left|Summary table of optimised [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000030     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000018     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000201     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000116     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQROPTNCH34_FREQ1.LOG]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0013   -0.0011   -0.0008   21.4310   21.4310   21.4310&lt;br /&gt;
 Low frequencies ---  188.2136  292.4076  292.4076&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;BH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Molecule&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQROPTNCH34_FREQ1.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==[P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Molecule==&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Basic Information&#039;&#039;&#039;===&lt;br /&gt;
Calculation method:RB3LYP&lt;br /&gt;
&lt;br /&gt;
Basis set:6-31G(d.p)&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Summary table&#039;&#039;&#039;===&lt;br /&gt;
[[File:ZqrPch34.PNG |thumb|left|Summary table of optimised [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; molecule ]]&lt;br /&gt;
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===&#039;&#039;&#039;Item table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
         Item               Value     Threshold  Converged?&lt;br /&gt;
 Maximum Force            0.000046     0.000450     YES&lt;br /&gt;
 RMS     Force            0.000031     0.000300     YES&lt;br /&gt;
 Maximum Displacement     0.000507     0.001800     YES&lt;br /&gt;
 RMS     Displacement     0.000448     0.001200     YES&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Frequency log file&#039;&#039;&#039; ===&lt;br /&gt;
&lt;br /&gt;
[[Media:ZQRPCH3411FREQUENCY.LOG ]]&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;Low frequency table&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Low frequencies ---   -0.0022    0.0013    0.0025   26.7152   26.7152   26.7152&lt;br /&gt;
 Low frequencies ---  161.3609  195.7728  195.7728&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===&#039;&#039;&#039;J mol file&#039;&#039;&#039;===&lt;br /&gt;
&amp;lt;jmol&amp;gt;&amp;lt;jmolApplet&amp;gt;&lt;br /&gt;
  &amp;lt;title&amp;gt;NH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt; Jmol&amp;lt;/title&amp;gt;&lt;br /&gt;
  &amp;lt;color&amp;gt;black&amp;lt;/color&amp;gt;&lt;br /&gt;
  &amp;lt;size&amp;gt;200&amp;lt;/size&amp;gt;&lt;br /&gt;
  &amp;lt;uploadedFileContents&amp;gt;ZQRPCH3411FREQUENCY.LOG&amp;lt;/uploadedFileContents&amp;gt;&lt;br /&gt;
&amp;lt;/jmolApplet&amp;gt;&amp;lt;/jmol&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Charge distribution==&lt;br /&gt;
[[File:Nnewpch34.PNG |80px|900px|thumb|left|Charge distribution of [P(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50]]&lt;br /&gt;
[[File:Nnewnh34.PNG  |80px||900px|thumb|centre|Charge distribution of [N(CH&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;]&amp;lt;sup&amp;gt;+&amp;lt;/sup&amp;gt; Colour range -0.50 t0 0.50 ]]&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
==&#039;&#039;&#039;MOs&#039;&#039;&#039;==&lt;br /&gt;
[[File:9moos.PNG|thumb|left| No.9 MO   ]]&lt;br /&gt;
[[File:9MODIAGRAM.png |600px| ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
[[File:Mo10000.PNG |500px|thumb|left| No.10 MO   ]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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&lt;br /&gt;
[[File:ZQR17MODIAGRAM.PNG|thumb|left| No.17 MO  ]]&lt;br /&gt;
[[File:MO17DIAGRAM.jpg |500px| ]]&lt;/div&gt;</summary>
		<author><name>Qz3617</name></author>
	</entry>
</feed>