20
charge = 0
 C 2.810297 -1.120757 0.565728
 O 2.559210 0.153928 0.043490
 C 2.946637 0.327808 -1.307554
 C 2.172658 1.523171 -1.820217
 C 4.457352 0.491413 -1.432489
 C 4.967741 0.549159 -2.861293
 N 6.423418 0.501466 -2.877262
 H 2.369923 -1.152834 1.563033
 H 3.881461 -1.341179 0.654935
 H 2.346328 -1.904574 -0.049917
 H 2.642967 -0.567738 -1.876412
 H 2.464123 2.422600 -1.271750
 H 1.102448 1.366997 -1.675763
 H 2.357641 1.690136 -2.882622
 H 4.960135 -0.345473 -0.939762
 H 4.749349 1.400298 -0.891763
 H 4.556277 1.434197 -3.369174
 H 4.599342 -0.325739 -3.409256
 H 6.803654 1.307623 -2.394990
 H 6.770920 0.540308 -3.827362