13
charge = 0
 O 0.795979 -0.791664 0.994209
 N 2.158364 -0.631407 1.175517
 C 2.824327 -1.144338 0.229746
 C 4.316092 -1.082036 0.249734
 C 4.929914 -2.447935 0.311586
 C 5.718954 -2.965464 -0.618601
 H 0.422527 -0.360163 1.767537
 H 2.320466 -1.648262 -0.597755
 H 4.616482 -0.488992 1.118696
 H 4.670049 -0.565753 -0.649254
 H 4.683842 -3.035785 1.193390
 H 5.982625 -2.408727 -1.512870
 H 6.134968 -3.961184 -0.518726