13
charge = 0
 O 1.049702 -0.133520 -0.097251
 N 2.441300 0.006407 0.051329
 C 2.933099 0.639139 -0.945161
 N 4.270951 0.918474 -1.062772
 C 4.574522 1.636855 -2.267166
 C 3.225406 1.771286 -2.897025
 C 2.292169 1.199602 -2.137396
 H 0.812442 -0.613810 0.698413
 H 4.943822 0.643135 -0.373817
 H 5.269140 1.091803 -2.923478
 H 5.024330 2.621812 -2.072597
 H 3.071024 2.272611 -3.842960
 H 1.231893 1.133016 -2.322619