20
charge = 0
 C 1.044331 -0.167309 0.034120
 C 2.506761 0.147546 0.337082
 C 2.818375 1.625285 0.081683
 N 2.665024 1.946631 -1.328973
 C 2.910609 -0.268247 1.731351
 C 2.255131 0.427574 2.884940
 C 3.819600 -1.219605 1.924907
 H 0.802323 0.142251 -0.983391
 H 0.374538 0.369784 0.711309
 H 0.843974 -1.235944 0.137240
 H 3.127473 -0.432842 -0.357584
 H 3.821644 1.846220 0.478026
 H 2.111311 2.246110 0.641861
 H 3.398714 1.506475 -1.871517
 H 2.744818 2.943689 -1.480711
 H 1.168469 0.304915 2.861347
 H 2.451041 1.504169 2.863594
 H 2.619035 0.037735 3.836257
 H 4.296335 -1.723952 1.090770
 H 4.115164 -1.529515 2.921778