16

C    -0.44603   -1.43575    0.48925
C    -1.32338   -0.70201   -0.28867
C    -1.32198    0.70416   -0.28890
C    -0.44313    1.43647    0.48878
H    -0.12365   -1.06604    1.45504
H    -0.39396   -2.51522    0.37835
H    -1.87461   -1.21182   -1.07655
H    -1.87206    1.21477   -1.07706
H    -0.38954    2.51585    0.37755
H    -0.12226    1.06687    1.45513
C     1.57342   -0.69436   -0.22833
C     1.57498    0.69180   -0.22726
H     1.47344    1.23497   -1.15908
H     2.07633    1.23137    0.57008
H     1.46945   -1.23602   -1.16074
H     2.07363   -1.23655    0.56793
