21
charge = 0
 C 2.797731 -1.155757 0.723839
 C 2.432797 0.134348 0.007523
 C 2.930586 0.240210 -1.433416
 C 2.300144 1.438666 -2.128231
 C 4.461507 0.306677 -1.504500
 C 5.003353 0.217672 -2.892110
 C 5.773250 1.123253 -3.479623
 H 2.349474 -1.190174 1.719539
 H 3.876642 -1.267467 0.852494
 H 2.438134 -2.028014 0.170075
 H 2.810166 0.994294 0.575229
 H 1.342066 0.237864 -0.001059
 H 2.612686 -0.669529 -1.962794
 H 2.565375 2.366802 -1.611039
 H 1.209897 1.361548 -2.133166
 H 2.640233 1.529823 -3.161761
 H 4.880453 -0.520452 -0.919581
 H 4.805324 1.234333 -1.031526
 H 4.730358 -0.678297 -3.449389
 H 6.069351 2.032963 -2.965800
 H 6.138994 0.988947 -4.491185