13
charge = 0
 O 1.912558 -0.772306 0.781148
 C 2.315162 0.248088 -0.111490
 C 2.767568 -0.338250 -1.361196
 C 3.139083 -0.797322 -2.405913
 C 3.597688 -1.376275 -3.662785
 C 2.836961 -0.933999 -4.826259
 C 2.222781 -0.577583 -5.791986
 H 1.610395 -0.351063 1.589887
 H 3.132927 0.846866 0.313988
 H 1.485710 0.935424 -0.329983
 H 3.542773 -2.469032 -3.591936
 H 4.656580 -1.135919 -3.813800
 H 1.672815 -0.259030 -6.645574