11

C    0.000000000   0.646343850  -1.608498150
C    0.000000000  -0.679143550  -1.453816750
H   -0.923999610  -1.240162230  -1.387848830
H    0.923999610  -1.240162230  -1.387848830
H    0.924036070   1.207376020  -1.673572850
H   -0.924036070   1.207376020  -1.673572850
H    0.000000000   0.082954110   1.590167110
C    0.000000000   0.028715090   2.677117850
H    0.888254590   0.522619900   3.066640290
H   -0.888254590   0.522619900   3.066640290
H    0.000000000  -1.013948000   2.989552270