18

C    0.759749176   1.031275058   0.373772394
H    1.435016257   1.875664269   0.374704616
C    1.266617787  -0.267362341   0.421273076
H    2.334915967  -0.429180190   0.459432338
C    0.395320544  -1.355991164   0.424905109
H    0.788661934  -2.362492586   0.463035490
C   -0.982205637  -1.146654408   0.381270236
H   -1.657656316  -1.991140192   0.385121003
C   -1.489346115   0.151149791   0.337572337
H   -2.557947039   0.313750489   0.307719001
C   -0.618775155   1.240331207   0.333883729
H   -1.011761615   2.247106897   0.304369215
O    0.035474296   0.299745640   3.825035800
H    0.121574511   0.349618731   2.867842255
C   -0.860676303  -0.757868433   4.108090839
H   -0.956396997  -0.814603017   5.189026975
H   -1.852825891  -0.586170693   3.684300635
H   -0.494215985  -1.720909502   3.745179323
