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    3.380509023  -0.884130259   0.644316508
O    3.126329965   0.071971988  -0.054521240
O    2.432604404  -1.658470486   1.212003113
H    1.571605016  -1.291171499   0.944231971
C    4.756144176  -1.365580089   0.994467416
H    5.494529989  -0.728030001   0.523617092
H    4.882354692  -1.353725363   2.074502740
H    4.878421319  -2.393424635   0.661233086
