18

C          1.93850        1.09640        0.00190
C          2.22550       -0.27990       -0.00390
C          0.61590        1.55530        0.00720
C          1.19230       -1.21670       -0.00550
C         -1.88050        0.87740        0.01600
C         -2.51420       -0.52370       -0.01420
C         -0.40760        0.62140        0.00530
C         -0.10380       -0.73470       -0.00100
C         -1.35140       -1.48480       -0.00480
O         -1.42060       -2.70110       -0.00600
H          2.75710        1.81350        0.00290
H          3.26020       -0.61530       -0.00750
H          0.40480        2.62060        0.01290
H          1.39150       -2.28330       -0.01040
H         -2.17490        1.41530        0.92330
H         -2.18490        1.46000       -0.85950
H         -3.10380       -0.66730       -0.92470
H         -3.14270       -0.68940        0.86570
