8

C    0.000690160   0.000000000  -1.999855200
O   -0.004725530   0.000000000   1.715974660
H    0.032118630   0.757554590   2.301720440
H    0.032118630  -0.757554590   2.301720440
H   -0.507417400   0.887594520  -2.372906050
H    1.030527490   0.000000000  -2.352829820
H   -0.013143960   0.000000000  -0.911908520
H   -0.507417400  -0.887594520  -2.372906050