13
charge = 0
 C 2.492048 -1.456106 0.622841
 N 2.484700 -0.345107 0.013874
 N 3.143263 -0.223639 -1.164998
 C 3.138325 0.977138 -1.827129
 C 3.864873 0.832445 -2.972208
 C 4.329689 -0.510912 -3.006057
 C 3.873238 -1.141967 -1.883469
 H 1.950606 -1.497406 1.560811
 H 2.997442 -2.355981 0.274119
 H 2.608924 1.812570 -1.400488
 H 4.046813 1.599619 -3.707700
 H 4.935655 -0.965908 -3.774409
 H 4.011915 -2.155937 -1.551368