15

O          1.84379       -0.11504       -0.12363
H          1.34249       -0.78144       -0.64713
H          2.76169       -0.20414       -0.40763
O          0.05569       -1.81254       -1.35843
H         -0.73261       -1.32314       -1.03713
H         -0.03131       -2.69024       -0.96553
O         -1.80581       -0.17524       -0.11693
H         -2.72801       -0.32044        0.12677
H         -1.31491       -0.06624        0.73537
O         -0.14231        0.44826        1.95117
H         -0.08431        1.33706        1.55037
H          0.69319        0.05536        1.64437
O          0.05559        2.25186       -0.28463
H         -0.70911        1.75366       -0.61393
H          0.79589        1.64226       -0.45313