# Bromide ion Parameters for CHARMM

**URL:** <https://gromacs.bioexcel.eu/t/bromide-ion-parameters-for-charmm/11690>\
**Category:** User discussions\
**Created:** [March 6, 2025, 11:57am UTC](https://gromacs.bioexcel.eu/t/bromide-ion-parameters-for-charmm/11690 "2025-03-06T11:57:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Nightwolf](https://avatars.discourse-cdn.com/v4/letter/n/779978/32.png) [@Nightwolf](https://gromacs.bioexcel.eu/u/Nightwolf)\
**Post date:** [March 6, 2025, 11:57am UTC](https://gromacs.bioexcel.eu/t/bromide-ion-parameters-for-charmm/11690/1 "2025-03-06T11:57:44Z")

</div>

GROMACS version:  
GROMACS modification: Yes/No  
Hello everyone

Can someone help with Bromide ion (Br-) parameters that I can use with CHARMM. And a guide on how I can add that to the force field will also be helpful.

Regards.