20
charge = 0
 C 1.686809 -0.360825 -0.179923
 N 2.912486 -0.865036 0.402115
 C 3.658964 0.114180 1.185428
 C 2.873162 0.528266 2.424279
 C 5.003517 -0.475405 1.543448
 C 5.011535 -1.679596 2.432051
 C 6.121645 0.061892 1.065175
 H 1.293020 -1.097491 -0.882602
 H 1.809626 0.595049 -0.717480
 H 0.927736 -0.213083 0.590970
 H 3.518271 -1.200172 -0.336983
 H 3.849891 1.027622 0.593191
 H 2.567262 -0.347691 3.000243
 H 1.974571 1.085905 2.153950
 H 3.483796 1.173139 3.059501
 H 4.337106 -2.447666 2.045506
 H 4.659094 -1.427900 3.437111
 H 6.015340 -2.096680 2.521464
 H 6.098705 0.936102 0.422764
 H 7.096674 -0.349289 1.304712