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    0.047018952   0.306185375   3.685113277
H    0.133119167   0.356058466   2.727919732
C   -0.849131647  -0.751428698   3.968168316
H   -0.944852341  -0.808163282   5.049104452
H   -1.841281235  -0.579730958   3.544378112
H   -0.482671329  -1.714469767   3.605256800