18

C -1.40903 -0.07285 -0.07914
C -0.76635 1.16932 -0.08178
C 0.62870 1.24416 -0.08230
C 1.40405 0.07889 -0.08079
C 0.76088 -1.16340 -0.08211
C -0.63432 -1.23806 -0.08081
C 2.90134 0.17414 -0.09873
C -2.90461 -0.16839 -0.09475
H -1.34542 2.08968 -0.08585
H 1.10885 2.22009 -0.08649
H 1.34026 -2.08369 -0.08615
H -1.11402 -2.21419 -0.08393
H 3.36665 -0.81238 -0.01370
H 3.25130 0.78169 0.74129
H 3.23633 0.62773 -1.03642
H -3.37235 0.81930 -0.01172
H -3.25594 -0.77403 0.74772
H -3.24311 -0.62444 -1.03143