21
charge = 0
 C 1.038029 0.060659 0.099816
 C 2.553558 0.017301 -0.060232
 C 3.056827 -1.376360 -0.447293
 C 2.721064 -1.749383 -1.886389
 C 3.240746 -0.702721 -2.864059
 C 2.724790 0.686738 -2.511071
 C 3.060541 1.051286 -1.069803
 H 0.705493 -0.656970 0.854822
 H 0.514871 -0.176772 -0.829225
 H 0.708108 1.054003 0.416084
 H 2.986972 0.266878 0.915646
 H 2.650513 -2.123212 0.243031
 H 4.146809 -1.401748 -0.325205
 H 1.635680 -1.848610 -2.003663
 H 3.142881 -2.731236 -2.122153
 H 2.962328 -0.965192 -3.889294
 H 4.338081 -0.695929 -2.831028
 H 1.639609 0.720404 -2.662422
 H 3.149250 1.432770 -3.189909
 H 2.656880 2.039333 -0.824350
 H 4.150680 1.129162 -0.974193