16

C     0.20396   -1.43364   -0.21134
C    -1.12129   -0.89156    0.28006
C     1.18885    0.72397    0.38823
C     1.29191   -0.69598   -0.12652
H     0.23510   -2.43656   -0.59356
H     2.24876   -1.06852   -0.43958
H     2.09605    1.27757    0.17858
H    -1.94273   -1.47864   -0.11191
C    -0.01763    1.40560   -0.30047
H    -0.13445    2.42061    0.06176
H     0.19829    1.45711   -1.36070
C    -1.33757    0.61506   -0.07997
H    -1.90787    1.07702    0.71728
H    -1.93732    0.67885   -0.97959
H    -1.14929   -0.99538    1.36180
H     1.04423    0.72732    1.46598
