13
charge = 0
 O 1.191441 -0.269654 0.284917
 C 2.544252 0.028708 0.039755
 C 3.040982 0.906661 1.146569
 N 4.199798 1.751566 0.939739
 C 2.877913 2.376792 1.023239
 C 2.624528 3.199741 2.175394
 N 2.394168 3.859493 3.088438
 H 0.916291 -0.979993 -0.299035
 H 2.676238 0.552868 -0.920577
 H 3.156969 -0.882866 0.007904
 H 2.977158 0.478128 2.141939
 H 4.501269 1.730475 -0.030134
 H 2.412702 2.740171 0.111842