20

C         -0.03630        0.91050       -0.20150
C         -1.54740        1.07610       -0.48450
C          3.88010        1.30000        1.70980
C          0.56320        2.11100        0.57000
C          2.50290        1.29790        1.88410
C          2.98120        2.27280        0.01400
N         -2.07750       -0.08430       -1.20440
N          4.16030        1.90830        0.54850
N          1.96090        1.90940        0.81710
H          0.45360        0.90200       -1.17520
H          0.05380        0.04990        0.46140
H         -1.66090        1.91830       -1.16710
H         -2.06060        1.08090        0.47710
H          4.62950        0.88580        2.38420
H          0.10110        2.13830        1.55680
H          0.51260        2.98460       -0.07990
H          1.93990        0.88440        2.72080
H          2.86820        2.79090       -0.93830
H         -3.05590       -0.12080       -1.45250
H         -1.46470       -0.84780       -1.45250
