11

C        0.000000    0.437442    0.000000 
C       -1.388838    0.826404    0.000000 
C       -0.495159    1.787722    0.000000 
C        0.963382   -0.470444    0.000000 
C        0.717224   -1.951788    0.000000 
H       -2.428740    0.552663    0.000000 
H       -0.296759    2.844858    0.000000 
H        1.991556   -0.128558    0.000000 
H        1.152761   -2.436855    0.878551 
H       -0.351235   -2.171268    0.000000 
H        1.152761   -2.436855   -0.878551 
