7

C        0.000000    0.000000    0.000000 
C        0.000000    0.000000    1.310515 
C        0.000000    0.000000   -1.310515 
H       -0.929020    0.000000   -1.866060 
H        0.929020    0.000000   -1.866060 
H        0.000000    0.929020    1.866060 
H        0.000000   -0.929020    1.866060 
