11

C        0.000000    1.265790   -0.260971 
H       -0.881481    1.298774   -0.905267 
H        0.881481    1.298774   -0.905267 
H        0.000000    2.166499    0.354619 
C        0.000000    0.000000    0.591729 
H        0.875492    0.000000    1.246553 
H       -0.875492    0.000000    1.246553 
C        0.000000   -1.265790   -0.260971 
H        0.881481   -1.298774   -0.905267 
H        0.000000   -2.166499    0.354619 
H       -0.881481   -1.298774   -0.905267 
