Title: chain axis
Long Title: IUPAC Gold Book - chain axis
DOI: 10.1351/goldbook.C00947
Status: current

Definition
The straight line parallel to the direction of chain extension, connecting the centres of mass of successive blocks of chain units, each of which is contained within an identity period.

Source
- Purple Book, 1st ed., p. 77 (http://old.iupac.org/publications/books/author/metanomski.html)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/C00947/html
- json: https://goldbook.iupac.org/terms/view/C00947/json
- xml: https://goldbook.iupac.org/terms/view/C00947/xml

Citation: Citation: 'chain axis' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C00947
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Accessed: 2026-06-21T21:44:23+00:00