[ moleculetype ]
; molname nrexcl
SOL   2

[ atoms ]
; id  at type     res nr  res name  at name  cg nr  charge    mass
  1   OW	  1       SOL       OW       1       0        15.9994
  2   H          1       SOL        HW1      1       0.527     1.0079
  3   H          1       SOL        HW2      1       0.527     1.0079
  4   MW          1       SOL       MW       1      -1.054     0.0000

[ settles ]
; i funct doh dhh
1 1 0.09572 0.15139

[ virtual_sites3 ]
; Vsite from          funct        a               b
4     1     2     3     1       0.089608       0.089608

[ exclusions ]
1 2 3 4
2 1 3 4
3 1 2 4
4 1 2 3