18

C          1.03110        0.00980        0.21270
C          7.36010       -0.93630        1.09230
C          6.62000       -0.73130        2.25740
C          6.71480       -1.01060       -0.14280
C          5.23340       -0.58970        2.18700
C          5.32720       -0.87710       -0.21800
C          2.50170        0.08380       -0.07330
C          4.59650       -0.64640        0.94650
O          2.98180        0.63340       -1.05450
O          3.19110       -0.54120        0.96560
H          0.79280        0.62460        1.08380
H          0.47680        0.38910       -0.65080
H          0.73420       -1.02880        0.37950
H          8.44060       -1.04310        1.14560
H          7.12410       -0.68370        3.21910
H          7.29090       -1.17430       -1.04970
H          4.65750       -0.43660        3.09420
H          4.84110       -0.95370       -1.18530
