13
charge = 0
 N 0.935718 -1.281794 1.812516
 N 2.300648 -1.478806 1.724798
 C 2.883225 -1.119860 0.666823
 O 4.212976 -1.195491 0.500384
 C 4.928040 -1.703343 1.619886
 C 6.344308 -1.724117 1.308811
 C 7.522337 -1.756637 1.088351
 H 0.558152 -1.964100 2.453208
 H 0.459768 -1.361187 0.917679
 H 2.397999 -0.706861 -0.219925
 H 4.569838 -2.709982 1.861872
 H 4.731695 -1.078327 2.497719
 H 8.567187 -1.782095 0.886987