13
charge = 0
 C -1.285011 -0.000129 -0.121846
 C -0.383791 -1.224917 0.111777
 C 0.997843 -0.664491 -0.064554
 C 0.998038 0.663643 -0.065460
 C -0.383433 1.224717 0.110088
 H -2.173877 0.000437 0.511221
 H -1.626804 -0.000794 -1.160046
 H -0.604490 -2.045107 -0.577348
 H -0.501290 -1.633309 1.124098
 H 1.883367 -1.285866 -0.135820
 H 1.883744 1.284660 -0.137576
 H -0.603891 2.044021 -0.580168
 H -0.500816 1.634537 1.121844