18
charge = 0
 C 2.507449 -1.094335 -1.140352
 C 2.357663 0.028029 -0.116658
 C 2.812978 1.373486 -0.612922
 C 1.942699 2.357920 -0.818556
 C 4.290724 1.518257 -0.845093
 C 4.771562 2.877396 -1.315914
 H 2.132602 -2.037576 -0.736278
 H 3.550255 -1.251993 -1.423834
 H 1.943790 -0.868545 -2.048777
 H 2.930146 -0.233034 0.782389
 H 1.310569 0.099245 0.189410
 H 0.884413 2.214826 -0.627675
 H 2.245009 3.333564 -1.179469
 H 4.606750 0.754069 -1.565552
 H 4.802878 1.249963 0.088770
 H 4.325048 3.148825 -2.275483
 H 5.856106 2.876550 -1.443455
 H 4.521370 3.661362 -0.597151