ground state

https://doi.org/10.1351/goldbook.G02704
The state of lowest Gibbs energy of a system.
See also: excited state
Source:
PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1118 (https://doi.org/10.1351/pac199466051077)