18

C          2.32430        1.41150        2.20700
C          2.10070        0.91160        0.77830
H          3.05610        0.75180        0.27860
C          1.27300       -0.39250        0.78750
C          0.00210       -0.00410        0.00200
H          0.05880       -0.37630       -1.02090
O         -0.01770        1.45520        0.01000
C          1.25320        1.89740        0.00030
O          1.64950        2.90480       -0.53620
C         -1.24300       -0.55620        0.69910
H          2.86190        0.65390        2.77710
H          2.90910        2.33110        2.18280
H          1.36110        1.60580        2.67880
H          1.02180       -0.68230        1.80780
H          1.81010       -1.19340        0.27940
H         -2.13420       -0.23100        0.16240
H         -1.20140       -1.64540        0.70800
H         -1.28020       -0.18560        1.72350