20
charge = 0
 C 1.610484 -0.171224 -0.186610
 N 2.944517 0.368285 -0.048318
 C 2.963090 1.708613 0.495681
 C 4.389407 2.235144 0.588621
 C 4.491515 3.626588 1.143457
 C 4.048311 3.820969 2.560562
 C 4.964113 4.633131 0.414327
 H 1.655685 -1.155470 -0.657047
 H 0.927674 0.463172 -0.776787
 H 1.164062 -0.300140 0.803636
 H 3.411450 0.363285 -0.947132
 H 2.513372 1.666378 1.493780
 H 2.351352 2.417483 -0.091983
 H 4.842817 2.212378 -0.407973
 H 4.962821 1.541979 1.215795
 H 4.579280 3.137123 3.231176
 H 2.981220 3.608898 2.678458
 H 4.227614 4.842547 2.897779
 H 5.289122 4.485709 -0.610110
 H 5.046693 5.636573 0.818119