18

C          0.11550       -0.78450       -1.17240
C          2.73930        0.60260        2.07480
C          1.86470       -0.27330        1.40710
C          1.18450        2.43880        1.70080
C          2.40900        1.96490        2.21510
C          0.29010        1.55880        1.05910
C          0.64490        0.20100        0.88390
Cl        -1.20490        2.15040        0.51950
N          3.25900        2.80810        2.83800
O         -0.18450       -0.67280        0.23120
H         -0.67080       -0.30040       -1.75160
H          1.06980       -0.30040       -1.37960
H          0.17450       -1.83720       -1.44860
H          3.67590        0.22450        2.48470
H          2.13330       -1.32370        1.29470
H          0.92740        3.49340        1.80000
H          4.19310        2.50260        3.07100
H          2.96110        3.74460        3.07100
