12

C   -0.610562566   0.227503096  -0.170602070
H    0.107385058   0.861436027  -0.634209239
C   -1.386275728  -0.525325504   0.379973527
H   -2.080703238  -1.174067393   0.854379369
C    2.834449599  -0.641431374   0.465936030
O    2.580270541   0.314670873  -0.232901718
O    1.886544980  -1.415771601   1.033622635
H    1.025545592  -1.048472614   0.765851493
C    4.210084752  -1.122881204   0.816086938
H    4.948470565  -0.485331116   0.345236614
H    4.336295268  -1.111026478   1.896122262
H    4.332361895  -2.150725750   0.482852608