13
charge = 0
 O 2.883256 -1.274413 0.012629
 C 2.570401 0.095916 -0.151016
 C 2.723293 0.853593 1.124463
 N 1.739208 1.454314 1.683148
 N 2.184559 2.052591 2.892772
 C 3.426546 1.791766 3.039939
 C 3.972600 0.980976 1.924390
 H 2.194670 -1.672030 0.552956
 H 1.553283 0.248039 -0.525441
 H 3.270271 0.473677 -0.901393
 H 3.973729 2.148430 3.904957
 H 4.374813 0.012902 2.241126
 H 4.775670 1.489448 1.378860