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    3.894591055  -1.112616630   0.812250975
O    3.640411997  -0.156514383   0.113413227
O    2.946686436  -1.886956857   1.379937580
H    2.085687048  -1.519657870   1.112166438
C    5.270226208  -1.594066460   1.162401883
H    6.008612021  -0.956516372   0.691551559
H    5.396436724  -1.582211734   2.242437207
H    5.392503351  -2.621911006   0.829167553
