16

C     0.38488    1.41389    0.51239
C     0.38261   -1.41449    0.51218
C     1.25564    0.69781   -0.28660
H     1.84419    1.22127   -1.05708
C     1.25449   -0.69969   -0.28672
H     1.84214   -1.22388   -1.05740
H     0.27025   -2.49833    0.36997
H     0.27418    2.49792    0.37039
C    -1.45662   -0.69035   -0.25182
H    -1.30212   -1.24078   -1.19117
H    -2.00182   -1.23950    0.53030
C    -1.45539    0.69256   -0.25232
H    -1.29943    1.24200   -1.19201
H    -1.99987    1.24329    0.52918
H     0.08870   -1.04754    1.50750
H     0.09020    1.04715    1.50755
