12
O 1.27966391905086 1.28256423861446 -2.67373216947586
H 2.13609164432897 0.873300296931587 -2.79728950956341
H 0.651209259439467 0.598188230768796 -2.90374534208626
O 4.06933924294481 0.965655642715116 -2.74522240636291
H 3.85882398475991 1.85421899374655 -2.45822007858233
H 5.02600361287190 0.933641015193933 -2.74479134599403
O 2.91102192149581 3.35135793352984 -1.98139994770566
H 2.47910426477492 4.16500940664130 -1.72130331759942
H 2.19244295523914 2.75253825884978 -2.18460207699054
O -0.368009897370273 -0.801240753083716 -3.37106631343611
H -0.725286489412831 -1.00104596536507 -4.23631954388370
H -0.741367353902375 -1.47001441872732 -2.79697761587288