18

C    -2.1029678    0.1561615   -0.1637454 
Si   -0.2370420    0.1555493   -0.1888206 
C     0.5165376    1.8520688   -0.1986574 
C     0.2757000   -1.0008494   -1.5635183 
B     1.2446557   -0.9161220    1.7209826 
Cl   -0.4072580   -0.1886698    2.3514656 
Cl    1.1882247   -2.7137853    1.7260950 
Cl    2.6477175   -0.1320422    2.5117548 
H     1.3298321   -0.8946176   -1.8227415 
H     0.2494994    2.3611081   -1.1288315 
H    -2.5171872    0.8849996    0.5320184 
H    -2.4673550    0.3942701   -1.1681443 
H    -2.5051894   -0.8229459    0.1000777 
H    -0.3234525   -0.8258038   -2.4606253 
H     0.1207400   -2.0418277   -1.2702643 
H     1.6041342    1.8236686   -0.1320295 
H     0.1479997    2.4585370    0.6283927 
H     1.2354109   -0.5496993    0.5265913 
