# fix_modify AtC remove_molecule command

## Syntax

    fix_modify <AtC fixID> remove_molecule <tag>

-   AtC fixID = ID of [fix atc](fix_atc) instance
-   remove_molecule = name of the AtC sub-command
-   tag = tag for tracking a molecule

## Examples

``` LAMMPS
fix_modify AtC remove_molecule water
```

## Description

Removes tag designated for tracking a specified set of molecules.

## Restrictions

None.

## Related AtC commands

-   [fix_modify AtC command overview](atc_fix_modify)
-   [fix_modify AtC add_species](atc_add_species)
-   [fix_modify AtC add_molecule](atc_add_molecule)
-   [fix_modify AtC remove_species](atc_remove_species)

## Default

None.