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Table 6.

Energies	Structure
MM2 Energies [kcalmol-1]	Dialkene	Monoalkene	Dialkene with -NO2 Group	Dialkene with -SiMe3 Group
Stretch	0.6178	0.8383	0.7193	0.7059
Bend	4.7304	4.9018	6.1086	5.3806
Stretch-Bend	0.0399	0.0886	0.0623	-0.0293
Torsion	7.6634	12.4914	7.7102	10.1782
Non-1,4-VDW	-1.0664	-1.115	-0.4221	-4.0055
1,4-VDW	5.7972	7.5047	8.0490	5.2699
Dipole/Dipole	0.1124	0.0736	-1.9616	-0.1051
Total Energy	17.8945	24.7834	20.1581	17.3947
PM6 Energy [kcalmol-1]	19.7402	-0.3628	12.2670	20.0506

Table 7.

IR Vibrational Assignment [cm-1]
Dialkene		Monoalkene
Peak	Description	Peak	Description
770.80	C-Cl stretch	779.93	C-Cl stretch
1737.01	C=C exo stretch	No C=C exo stretch
1757.43	C=C endo stretch	1753.76	C=C endo stretch

Table 8

IR Vibrational Assignment [cm-1]
Dialkene with -NO2 Group		Dialkene with -SiMe3 Group
Peak	Vibration Description	Peak	Vibration Description
840.47	C-Cl stretch	764.11	C-Cl stretch
1737.79	C=C exo stretch	1707.49	C=C exo stretch
1755.35	C=C endo stretch	1737.25	C=C endo stretch

next table - number 9

Table 9.

Structures
MM2 Energies [kcalmol-1]	A	A'	B	B'
Stretch	2.8801	2.5822	2.9948	2.5919
Bend	11.4967	10.4017	13.8673	10.4383
Stretch-Bend	1.0502	0.9175	1.1638	0.8147
Torsion	1.4522	3.5297	2.0564	1.1282
Non-1,4-VDW	2.0992	-0.6702	0.7996	-0.8409
1,4-VDW	18.4277	19.2887	18.6683	19.4979
Charge/Dipole	-24.1669	-6.7310	-12.935	-12.7101
Dipole/Dipole	7.6744	4.5462	4.1653	5.9748
Total Energy	20.9137	33.8648	30.7805	25.8947
PM6 Energy [kcalmol-1]	-91.6520	-77.5061	-85.9500	-68.6109

Table 10.

Structures
MM2 Energies [kcalmol-1]	C	C'	D	D'
Stretch	2.1441	3.1216	1.9645	2.6053
Bend	14.7973	16.6298	19.1204	16.8425
Stretch-Bend	0.8142	0.8305	0.7835	0.7112
Torsion	8.8735	12.1146	9.6138	6.8274
Non-1,4-VDW	-2.2477	-3.1902	-3.8643	-2.9049
1,4-VDW	17.275	20.8831	17.5477	19.2261
Charge/Dipole	-7.3249	3.1895	-3.2087	1.3908
Dipole/Dipole	-1.8805	-0.7772	-1.7719	-0.8527
Total Energy	32.4511	52.8017	40.185	43.8457
PM6 Energy [kcalmol-1]	-91.6502	-66.7240	-88.7273	-66.6731