fix_modify AtC add_molecule command — LAMMPS documentation

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# fix_modify AtC add_molecule command

## Syntax

    fix_modify <AtC fixID> add_molecule <small|large> <tag> <group-ID>

- AtC fixID = ID of fix atc instance

- add_molecule = name of the AtC sub-command

- small or large = can be small if molecule size < cutoff radius, must be large otherwise

- tag = tag for tracking a molecule

- group-ID = LAMMPS defined group-ID

## Examples

    group WATERGROUP type 1 2
    fix_modify AtC add_molecule small water WATERGROUP

## Description

Associates a tag with all molecules corresponding to a specified group.

## Restrictions

None.

## Related AtC commands

- fix_modify AtC command overview

- fix_modify AtC add_species

- fix_modify AtC remove_species

- fix_modify AtC remove_molecule

## Default

None.