13
charge = 0
 O 0.910506 -1.440311 0.967170
 N 2.250478 -1.531406 1.355074
 C 2.955738 -0.697986 0.706581
 N 4.286927 -0.503332 0.973163
 C 4.988796 -1.434837 1.830914
 C 5.402154 -2.670774 1.170319
 C 5.768341 -3.666265 0.608988
 H 0.500015 -2.145933 1.472173
 H 2.526041 -0.055335 -0.061558
 H 4.819851 -0.163351 0.189216
 H 4.329444 -1.671841 2.668940
 H 5.870852 -0.933255 2.238599
 H 6.079657 -4.556065 0.114810