# Change in Volume Fluctuations / Compressibility for TIP4P/2005 Between GROMACS 2016 and 2024

**URL:** <https://gromacs.bioexcel.eu/t/change-in-volume-fluctuations-compressibility-for-tip4p-2005-between-gromacs-2016-and-2024/12777>\
**Category:** User discussions\
**Tags:** mdrun, analysis-tools\
**Created:** [October 14, 2025, 3:49pm UTC](https://gromacs.bioexcel.eu/t/change-in-volume-fluctuations-compressibility-for-tip4p-2005-between-gromacs-2016-and-2024/12777 "2025-10-14T15:49:05Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![obZehn](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/obzehn/32/2629_2.png) [@obZehn](https://gromacs.bioexcel.eu/u/obZehn)\
**Post date:** [October 14, 2025, 4:08pm UTC](https://gromacs.bioexcel.eu/t/change-in-volume-fluctuations-compressibility-for-tip4p-2005-between-gromacs-2016-and-2024/12777/2 "2025-10-14T16:08:45Z")

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I can’t help but I remember a similar discussion recently. Take a look [here](https://gromacs.bioexcel.eu/t/pressure-scaling-more-than-1-this-may-mean-your-system-is-not-yet-equilibrated/12632/6) and in the related issue [here](https://gitlab.com/gromacs/gromacs/-/issues/5424)! :)

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_[View the full topic](https://gromacs.bioexcel.eu/t/change-in-volume-fluctuations-compressibility-for-tip4p-2005-between-gromacs-2016-and-2024/12777)._