20

C          0.20490       -2.28330       -1.73320
C         -0.05530        0.91760       -0.73240
C         -1.45120       -0.56510        0.59790
C         -0.94230        1.98010       -0.48160
C         -2.34770        0.49370        0.83850
C          0.63410       -1.51440       -0.46010
C         -0.28840       -0.36930       -0.18890
C         -2.09030        1.77090        0.30470
Cl        -3.16290        3.04720        0.60150
N          2.04210       -1.09700       -0.58280
H         -0.82070       -2.01780       -1.98960
H          0.26720       -3.35570       -1.54830
H          0.86600       -2.01780       -2.55820
H          0.82230        1.09350       -1.35450
H         -1.65940       -1.54610        1.02500
H         -0.73970        2.96710       -0.89740
H         -3.24170        0.32460        1.43870
H          0.58950       -2.14230        0.42970
H          2.77320       -1.79260       -0.62480
H          2.27600       -0.11530       -0.62480
