18
charge = 0
 O 1.858648 -3.524707 1.621149
 C 2.936179 -3.277159 0.739039
 C 2.515425 -2.180798 -0.213555
 C 3.614268 -1.741351 -1.173792
 C 4.084479 -2.821621 -2.108624
 C 5.410393 -2.738438 -2.746041
 N 5.146630 -3.747211 -1.720418
 H 2.076893 -4.283998 2.165527
 H 3.202348 -4.182786 0.179393
 H 3.829714 -2.956382 1.297825
 H 2.180295 -1.323338 0.378036
 H 1.644414 -2.527544 -0.779533
 H 4.476884 -1.358962 -0.612127
 H 3.241877 -0.899835 -1.768202
 H 3.290020 -3.309168 -2.670623
 H 6.034693 -1.888143 -2.486870
 H 5.565571 -3.128622 -3.745909
 H 5.555428 -3.451558 -0.839276