21
charge = 0
 C 3.238815 -0.007731 -1.350143
 C 2.630442 -0.318574 0.009714
 C 2.830794 -1.787929 0.361244
 C 3.148100 0.656832 1.090691
 C 2.333822 0.564915 2.379836
 C 4.605069 0.480547 1.388347
 C 5.554495 1.368480 1.126549
 H 2.822226 -0.659170 -2.122750
 H 4.322457 -0.153055 -1.336270
 H 3.047168 1.027775 -1.644728
 H 1.549393 -0.138311 -0.057720
 H 3.892288 -2.049903 0.381841
 H 2.354973 -2.424945 -0.388556
 H 2.399628 -2.045543 1.331133
 H 3.016154 1.666859 0.682707
 H 2.480400 -0.395184 2.881182
 H 1.265427 0.676932 2.175539
 H 2.630466 1.347618 3.081171
 H 4.883004 -0.451599 1.878599
 H 5.326578 2.316320 0.647686
 H 6.591990 1.184955 1.382309