21
charge = 0
 C 2.864938 -0.843704 -1.306523
 C 2.512976 -0.102244 -0.027869
 C 3.066326 -0.711687 1.276697
 C 2.590913 0.164993 2.441191
 C 2.543883 -2.128470 1.477642
 C 4.569609 -0.649767 1.242069
 C 5.426404 -1.653981 1.364441
 H 2.486164 -0.305915 -2.178802
 H 2.430882 -1.845874 -1.328415
 H 3.946549 -0.948316 -1.421703
 H 1.423104 -0.033549 0.069967
 H 2.875426 0.930298 -0.097981
 H 1.498003 0.188692 2.480922
 H 2.945577 1.193393 2.329850
 H 2.960366 -0.218069 3.395315
 H 1.450496 -2.130797 1.470149
 H 2.871554 -2.533552 2.438287
 H 2.886012 -2.808276 0.694941
 H 4.968751 0.356311 1.107973
 H 5.101949 -2.679770 1.499891
 H 6.496307 -1.482008 1.334970