12

O   -0.636134928  -0.023282411   0.280599321
H    0.308097372  -0.047078748   0.076463691
C   -1.152065407  -1.311287783   0.015259549
H   -2.209945023  -1.296265392   0.263955863
H   -1.056610240  -1.592670859  -1.036190606
H   -0.674835746  -2.086272765   0.620511449
O    2.210419277  -0.122121771  -0.012102701
H    2.679208587   0.492262753  -0.581768655
C    2.719253203   0.034897167   1.309614623
H    2.165684123  -0.653299260   1.939745503
H    3.778249305  -0.215541732   1.366337764
H    2.566813565   1.045591220   1.687507169