# SiO4 molecule file. TraPPE model.

5 atoms
4 bonds
6 angles

Coords
# bondlength is roughly 1.62 Angstrom from wikipedia
1        0.0 0.0 0.0
2        1.322724 0.0 0.935307
3        -1.322724 0.0 0.935307
4        0.0 1.322724 -0.935307
5        0.0 -1.322724 -0.935307

Types

1        1
2        2
3        2
4        2
5        2

Charges
# just a guess not looked up
1        0.8
2       -0.2
3       -0.2
4       -0.2
5       -0.2

Bonds

1   1      1      2
2   1      1      3
3   1      1      4
4   1      1      5

Angles

1   1      2      1      3
2   1      2      1      4
3   1      2      1      5
4   1      3      1      4
5   1      3      1      5
6   1      4      1      5