{"term":{"id":"05882","title":"spiro macromolecule","longtitle":"IUPAC Gold Book - spiro macromolecule","doi":"10.1351\/goldbook.S05882","code":"S05882","status":"current","definitions":[{"id":1,"text":"A double-strand macromolecule consisting of an uninterrupted sequence of rings, with adjacent rings having only one atom in common. Alternatively, a spiro macromolecule is a double-strand macromolecule with adjacent constitutional unit joined to each other through three atoms, two on one side and one on the other side of each constitutional unit.","links":[{"term":"constitutional unit","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/C01288"},{"term":"double-strand macromolecule","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/D01851"},{"term":"sequence","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/ST06775"}],"sources":["PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2295 (https:\/\/doi.org\/10.1351\/pac199668122287)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/S05882\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/S05882\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/S05882\/plain"},"citation":"Citation: 'spiro macromolecule' 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.S05882","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-04-22T12:19:08+00:00"}}