18

C     0.1030359   -1.8158609    1.8630141 
Si   -0.0246322   -0.4809894    0.5669182 
C    -0.4484438    1.1683952    1.3280250 
C    -1.2113791   -0.9539885   -0.7905211 
B     1.2593717    1.8321285   -2.4715655 
Cl    1.8663149   -0.2893657   -0.2981902 
Cl    0.8593548    0.7015418   -3.7344073 
Cl    2.8247673    2.5856964   -2.4272639 
H    -1.2319201   -0.2152171   -1.5930544 
H    -1.4323731    1.1421122    1.8025753 
H     0.8370600   -1.5652415    2.6304927 
H    -0.8561962   -1.9644633    2.3650995 
H     0.3958719   -2.7735654    1.4298231 
H    -2.2293395   -1.0485848   -0.4046709 
H    -0.9421139   -1.9111640   -1.2403241 
H    -0.4666897    1.9664945    0.5840554 
H     0.2759308    1.4532500    2.0929393 
H     0.4213802    2.1688220   -1.7029452 
