Mercurial > repos > chemteam > gromacs_modify_topology
diff test-data/water_bondedparams.itp @ 0:5521a057ed6a draft default tip
"planemo upload for repository https://github.com/galaxycomputationalchemistry/galaxy-tools-compchem/tree/master/tools/buildtools/topologyeditors commit ae026d4ea6fe2ebaa53611b86f9047941c7b899b"
author | chemteam |
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date | Thu, 27 Jan 2022 18:16:37 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test-data/water_bondedparams.itp Thu Jan 27 18:16:37 2022 +0000 @@ -0,0 +1,61 @@ +; +; Horn et al. (2004). J. Chem. Phys.120, 9665-9678 +; + + +[ moleculetype ] +; molname nrexcl +SOL 2 + +[ atoms ] +; id at type res nr res name at name cg nr charge mass + 1 OW_tip4pew 1 SOL OW 1 0 16.00000 + 2 HW_tip4pew 1 SOL HW1 1 0.52422 1.00800 + 3 HW_tip4pew 1 SOL HW2 1 0.52422 1.00800 + 4 MW 1 SOL MW 1 -1.04844 0.00000 + +#ifndef FLEXIBLE + +[ settles ] +; i funct doh dhh +1 1 0.09572 0.15139 + +#else +[ bonds ] +; i j funct length force.c. +1 2 1 0.09572 502416.0 0.09572 502416.0 +1 3 1 0.09572 502416.0 0.09572 502416.0 + +[ angles ] +; i j k funct angle force.c. +2 1 3 1 104.52 628.02 104.52 628.02 + +#endif + + +[ virtual_sites3 ] +; Vsite from funct a b +4 1 2 3 1 0.106676721 0.106676721 + + +[ exclusions ] +1 2 3 4 +2 1 3 4 +3 1 2 4 +4 1 2 3 + + +; The position of the virtual site is computed as follows: +; +; O +; +; V +; +; H H +; +; Ewald tip4p: +; const = distance (OV) / [ cos (angle(VOH)) * distance (OH) ] +; 0.0125 nm / [ cos (52.26 deg) * 0.09572 nm ] +; then a = b = 0.5 * const = 0.106676721 +; +; Vsite pos x4 = x1 + a*(x2-x1) + b*(x3-x1)