21
charge = 0
 C 0.976304 0.137569 -0.180039
 C 2.501650 0.037882 -0.157277
 C 2.976943 -0.584388 -1.467034
 C 3.101201 1.438113 -0.026778
 C 2.906891 -0.768537 1.068345
 C 2.936583 -2.264273 1.111892
 C 4.215257 -1.482633 1.203836
 H 0.635763 0.742038 -1.025739
 H 0.599625 0.601067 0.736235
 H 0.521734 -0.852902 -0.265882
 H 2.557952 -1.581448 -1.621633
 H 2.656471 0.037487 -2.306935
 H 4.065993 -0.657918 -1.513199
 H 2.806616 2.070571 -0.869272
 H 4.193187 1.394247 -0.000825
 H 2.763301 1.925579 0.892181
 H 2.556215 -0.303078 1.986724
 H 2.568388 -2.758971 2.002279
 H 2.755736 -2.812107 0.195256
 H 4.878405 -1.514471 0.348113
 H 4.726785 -1.439117 2.157551