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Optimization of Cyclopropane, with HF 6-21G

<pre>
 Optimization completed.
    -- Stationary point found.
                           ----------------------------
                           !   Optimized Parameters   !
                           ! (Angstroms and Degrees)  !
 --------------------------                            --------------------------
 ! Name  Definition              Value          Derivative Info.                !
 --------------------------------------------------------------------------------
 ! R1    R(1,2)                  1.5053         -DE/DX =    0.0                 !
 ! R2    R(1,3)                  1.5053         -DE/DX =    0.0                 !
 ! R3    R(1,4)                  1.0729         -DE/DX =    0.0                 !
 ! R4    R(1,5)                  1.0729         -DE/DX =    0.0                 !
 ! R5    R(2,3)                  1.5053         -DE/DX =    0.0                 !
 ! R6    R(2,6)                  1.0729         -DE/DX =    0.0                 !
 ! R7    R(2,7)                  1.0729         -DE/DX =    0.0                 !
 ! R8    R(3,8)                  1.0729         -DE/DX =    0.0                 !
 ! R9    R(3,9)                  1.0729         -DE/DX =    0.0                 !
 ! A1    A(2,1,4)              118.2878         -DE/DX =    0.0                 !
 ! A2    A(2,1,5)              118.2878         -DE/DX =    0.0                 !
 ! A3    A(3,1,4)              118.2888         -DE/DX =    0.0                 !
 ! A4    A(3,1,5)              118.2888         -DE/DX =    0.0                 !
 ! A5    A(4,1,5)              113.6468         -DE/DX =    0.0                 !
 ! A6    A(1,2,6)              118.2886         -DE/DX =    0.0                 !
 ! A7    A(1,2,7)              118.2886         -DE/DX =    0.0                 !
 ! A8    A(3,2,6)              118.2878         -DE/DX =    0.0                 !
 ! A9    A(3,2,7)              118.2878         -DE/DX =    0.0                 !
 ! A10   A(6,2,7)              113.6468         -DE/DX =    0.0                 !
 ! A11   A(1,3,8)              118.289          -DE/DX =    0.0                 !
 ! A12   A(1,3,9)              118.289          -DE/DX =    0.0                 !
 ! A13   A(2,3,8)              118.2877         -DE/DX =    0.0                 !
 ! A14   A(2,3,9)              118.2877         -DE/DX =    0.0                 !
 ! A15   A(8,3,9)              113.6467         -DE/DX =    0.0                 !
 ! D1    D(4,1,2,6)              0.0013         -DE/DX =    0.0                 !
 ! D2    D(4,1,2,7)           -143.7947         -DE/DX =    0.0                 !
 ! D3    D(5,1,2,6)            143.7947         -DE/DX =    0.0                 !
 ! D4    D(5,1,2,7)             -0.0013         -DE/DX =    0.0                 !
 ! D5    D(4,1,3,8)            143.7969         -DE/DX =    0.0                 !
 ! D6    D(4,1,3,9)             -0.0002         -DE/DX =    0.0                 !
 ! D7    D(5,1,3,8)              0.0002         -DE/DX =    0.0                 !
 ! D8    D(5,1,3,9)           -143.7969         -DE/DX =    0.0                 !
 ! D9    D(6,2,3,8)           -143.7931         -DE/DX =    0.0                 !
 ! D10   D(6,2,3,9)             -0.0004         -DE/DX =    0.0                 !
 ! D11   D(7,2,3,8)              0.0004         -DE/DX =    0.0                 !
 ! D12   D(7,2,3,9)            143.7931         -DE/DX =    0.0                 !
 --------------------------------------------------------------------------------
 GradGradGradGradGradGradGradGradGradGradGradGradGradGradGradGradGradGrad

                          Input orientation:                          
 ---------------------------------------------------------------------
 Center     Atomic     Atomic              Coordinates (Angstroms)
 Number     Number      Type              X           Y           Z
 ---------------------------------------------------------------------
    1          6             0       -1.762157   -0.361301    0.000000
    2          6             0       -0.256826   -0.361203    0.000000
    3          6             0       -1.009569    0.942405    0.000000
    4          1             0       -2.270586   -0.654905   -0.898004
    5          1             0       -2.270586   -0.654905    0.898004
    6          1             0        0.251654   -0.654717   -0.898004
    7          1             0        0.251654   -0.654717    0.898004
    8          1             0       -1.009583    1.529520    0.898004
    9          1             0       -1.009583    1.529520   -0.898004
 ---------------------------------------------------------------------
</pre>

<p>The optimization is successful, and I report here the expression of the spatial position of the atoms according to bond length, angle..., and below according to classic coordinates related to X,Y,Z axes.</p>



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