21

C          0.99390       -0.14730       -0.03870
C          2.99560        1.42770        0.20660
C          3.12830       -1.03250        0.93320
C          2.64390        1.96460        1.57130
C          4.63360       -0.97810        0.90670
C          2.52100       -0.01530       -0.03910
O          1.49640        2.13730        1.95340
O          3.70830        2.25410        2.34800
O          5.31120       -0.58580        1.84410
O          5.16560       -1.34110       -0.28000
O          2.96170       -0.40780       -1.36240
H          0.53740        0.55980       -0.73780
H          0.56270        0.01780        0.95590
H          0.69200       -1.14870       -0.36700
H          2.55230        2.10760       -0.53280
H          4.07430        1.51380        0.03220
H          2.83630       -2.05830        0.67230
H          2.79190       -0.85590        1.96060
H          4.58850        2.02270        1.98660
H          4.46250       -1.42790       -0.96840
H          2.48850        0.15420       -2.00850
