This Glossary contains definitions, explanatory notes, and sources for terms used in physical organic chemistry. Its aim is to provide guidance on the terminology of physical organic chemistry, with a view to achieving a consensus on the meaning and applicability of useful terms and the abandonment of unsatisfactory ones. Owing to the substantial progress in the field, this 2021 revision of the Glossary is much expanded relative to the previous edition, and it includes terms from cognate fields.
Keywords: Mechanism; physical organic chemistry; properties; reactivity; structure
Public review ended 30 September 2021
IUPAC Recommendations published in PAC vol. 94, no. 4, 2022, pp. 353-534