***, Bicyclo-[1.1.0]-butane Transition State
 basis=3-21G

 L1=1.495  ang                ! Define Active Variables
 L2=1.418  ang
 L3=1.463  ang
 L4=1.093  ang
 L5=1.111  ang
 L6=1.098  ang
 L7=1.097  ang
 L8=1.110  ang
 L9=1.106  ang
 A1=92.1   degree
 A2=62.1   degree
 A3=136.0  degree
 A4=123.5  degree
 A5=122.4  degree
 A6=124.7  degree
 A7=126.7  degree
 A8=117.9  degree
 D1=-120.4 degree
 D2=4.4    degree
 D3=108.8  degree
 D4=-107.5 degree
 D5=84.2   degree
 D6=109.3  degree
 D7=-106.1 degree

 geometry={C1                 ! Geometry Specification Z-Matrix
           C2  1 L1
           C3  2 L2 1 A1
           C4  1 L3 2 A2 3 D1
           H5  1 L4 2 A3 3 D2
           H6  2 L5 1 A4 4 D3
           H7  3 L6 2 A5 1 D4
           H8  3 L7 2 A6 1 D5
           H9  4 L8 1 A7 2 D6
           H10 4 L9 1 A8 2 D7}
 int
 rhf
 optg
 root,2                       ! Transition State search
 method,qsd                   ! Use Quadratic Steepest Descent Method