# Isothermal–isobaric ensemble

> Ensemble of states at constant pressure

**Wikidata**: [Q13638506](https://www.wikidata.org/wiki/Q13638506)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Isothermal–isobaric_ensemble)  
**Source**: https://4ort.xyz/entity/isothermal-isobaric-ensemble