[ moleculetype ] ; molname nrexcl SOL 2 [ atoms ] ; nr type resnr residue atom cgnr charge mass 1 OW 1 SOL OW 1 -0.82 2 H 1 SOL HW1 1 0.41 3 H 1 SOL HW2 1 0.41 ;[ settles ] ; OW funct doh dhh ;1 1 0.1 0.16330 [ constraints ] ; ai aj funct c0 c1 3 2 1 0.1633 1 3 1 0.1000 2 1 1 0.1000 [ exclusions ] 1 2 3 2 1 3 3 1 2