1 tip3p TIP3P TIP
3-point
, recommended
2 tip4p TIP4P TIP
4-point
3 tips3p TIPS3P CHARMM TIP
3-point with LJ on H
's
4 tip5p TIP5P TIP 5-point (see http://redmine.gromacs.org/issues/1348 for issues)
5 spc SPC simple point charge
6 spce SPC/E extended simple point charge
