20
charge = 0
 C 1.504405 1.017846 0.411963
 C 2.183173 -0.337089 0.263486
 C 2.512507 -0.953013 1.619621
 O 3.080498 -2.225579 1.467164
 N 1.462352 -1.330221 -0.536906
 C 0.077106 -1.523823 -0.165218
 C 1.604061 -1.137063 -1.961181
 H 2.169429 1.716567 0.925232
 H 0.584934 0.947185 0.998252
 H 1.255387 1.454010 -0.558172
 H 3.139070 -0.194618 -0.253077
 H 1.606053 -0.996098 2.244905
 H 3.230050 -0.314076 2.142797
 H 2.656063 -2.576688 0.668352
 H -0.012315 -1.683226 0.910640
 H -0.308126 -2.415491 -0.665649
 H -0.572211 -0.678006 -0.442956
 H 2.661629 -1.073930 -2.225544
 H 1.100385 -0.229236 -2.334643
 H 1.173948 -1.991461 -2.489976