1     8  Dang-Chang Water Dimer
2     1  O      0.000000    0.000000    0.000000     1     2     3     4
3     2  H     -0.239987    0.000000    0.926627     2     1
4     3  H      0.957200    0.000000    0.000000     2     1
5     4  M      0.131597    0.000000    0.170021     3     1
6     5  O     -0.883933    0.000000    2.726141     1     6     7     8
7     6  H     -1.468748   -0.756950    2.761488     2     5
8     7  H     -1.468748    0.756950    2.761488     2     5
9     8  M     -1.098542    0.000000    2.739112     3     5
10