# Test FEP output file

**URL:** <https://gromacs.bioexcel.eu/t/test-fep-output-file/3261>\
**Category:** User discussions\
**Tags:** free-energy\
**Created:** [December 7, 2021, 2:00pm UTC](https://gromacs.bioexcel.eu/t/test-fep-output-file/3261 "2021-12-07T14:00:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nano\_cg](https://avatars.discourse-cdn.com/v4/letter/n/9dc877/32.png) [@nano\_cg](https://gromacs.bioexcel.eu/u/nano_cg)\
**Post date:** [December 7, 2021, 2:00pm UTC](https://gromacs.bioexcel.eu/t/test-fep-output-file/3261/1 "2021-12-07T14:00:54Z")

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GROMACS version: 2021.4

I’m working on a GROMACS plugin and we’re working on importing and viewing fep results in our software. Does anyone have an fep output file- non proprietary of course- that they’d be willing to share for test purposes? Thanks!

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**Author:** ![alevilla](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/alevilla/32/439_2.png) [@alevilla](https://gromacs.bioexcel.eu/u/alevilla)\
**Post date:** [December 9, 2021, 2:41pm UTC](https://gromacs.bioexcel.eu/t/test-fep-output-file/3261/2 "2021-12-09T14:41:53Z")

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Hi,  
maybe have a look at the output generated by the tutorials free energy tutorial  
[Free energy of solvation — GROMACS tutorials https://tutorials.gromacs.org documentation](https://tutorials.gromacs.org/free-energy-of-solvation.html) can help you  
\Alessandra