# Hydrophobic interactions analysis

**URL:** <https://gromacs.bioexcel.eu/t/hydrophobic-interactions-analysis/4090>\
**Category:** User discussions\
**Created:** [April 28, 2022, 9:18am UTC](https://gromacs.bioexcel.eu/t/hydrophobic-interactions-analysis/4090 "2022-04-28T09:18:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Chetan](https://avatars.discourse-cdn.com/v4/letter/c/f05b48/32.png) [@Chetan](https://gromacs.bioexcel.eu/u/Chetan)\
**Post date:** [April 28, 2022, 9:18am UTC](https://gromacs.bioexcel.eu/t/hydrophobic-interactions-analysis/4090/1 "2022-04-28T09:18:25Z")

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GROMACS version:2019.2  
GROMACS modification: No  
I have done md study for a small molecule for understanding its clustering tendency in water and I wanted to analyze the hydrophobic interactions between the molecules for the clusters which have formed. So can someone suggest how can we obtain information about the hydrophobic interactions between the molecules.

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**Author:** ![Bratin](https://avatars.discourse-cdn.com/v4/letter/b/f07891/32.png) [@Bratin](https://gromacs.bioexcel.eu/u/Bratin)\
**Post date:** [May 13, 2022, 8:27am UTC](https://gromacs.bioexcel.eu/t/hydrophobic-interactions-analysis/4090/2 "2022-05-13T08:27:42Z")

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You can calculate the short range LJ interaction energy between the desired groups by gmx energy command