# In NPT equilibration process npt.gro file not generated

**URL:** <https://gromacs.bioexcel.eu/t/in-npt-equilibration-process-npt-gro-file-not-generated/6244>\
**Category:** User discussions\
**Created:** [April 20, 2023, 6:45am UTC](https://gromacs.bioexcel.eu/t/in-npt-equilibration-process-npt-gro-file-not-generated/6244 "2023-04-20T06:45:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Sandeep1](https://avatars.discourse-cdn.com/v4/letter/s/c4cdca/32.png) [@Sandeep1](https://gromacs.bioexcel.eu/u/Sandeep1)\
**Post date:** [April 20, 2023, 6:45am UTC](https://gromacs.bioexcel.eu/t/in-npt-equilibration-process-npt-gro-file-not-generated/6244/1 "2023-04-20T06:45:43Z")

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GROMACS version:2023  
GROMACS modification: No  
Here post your question in npt equilibration process npt.gro file not generated what could be the reason? I am new to gromacs. And other files like… .trr generated.

Thank you

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**Author:** ![jalemkul](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/jalemkul/32/18_2.png) [@jalemkul](https://gromacs.bioexcel.eu/u/jalemkul)\
**Post date:** [April 20, 2023, 1:13pm UTC](https://gromacs.bioexcel.eu/t/in-npt-equilibration-process-npt-gro-file-not-generated/6244/2 "2023-04-20T13:13:43Z")

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If the final snapshot wasn’t written, that means the job did not complete.

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**Author:** ![Sandeep1](https://avatars.discourse-cdn.com/v4/letter/s/c4cdca/32.png) [@Sandeep1](https://gromacs.bioexcel.eu/u/Sandeep1)\
**Post date:** [May 15, 2023, 5:57pm UTC](https://gromacs.bioexcel.eu/t/in-npt-equilibration-process-npt-gro-file-not-generated/6244/3 "2023-05-15T17:57:13Z")

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Thank you