13
charge = 0
 C 1.835556 -0.418549 0.784487
 O 2.634617 0.257831 -0.165258
 C 3.161300 -0.461116 -1.148514
 N 3.896292 0.086281 -2.044503
 N 4.304090 -0.920071 -2.944012
 C 3.817640 -2.046288 -2.585646
 C 2.992200 -1.933084 -1.355789
 H 1.505274 0.336831 1.494227
 H 2.408776 -1.184164 1.316123
 H 0.959884 -0.877518 0.315520
 H 4.013550 -2.951578 -3.147319
 H 3.376994 -2.530086 -0.522231
 H 1.948428 -2.226978 -1.508973