Title: multiplet
Long Title: IUPAC Gold Book - multiplet
DOI: 10.1351/goldbook.08379
Status: current

Definition
Feature in a nuclear magnetic resonance spectrum that is split but is too complex to easily interpret.

Note
A multiplet is distinguished from multiplicity of NMR peaks that give well-resolved doublet, triplet, quartet, quintet etc.

Related Term
- nuclear magnetic resonance spectrum: https://goldbook.iupac.org//terms/view/08384

Source
- PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 697 (https://doi.org/10.1515/pac-2019-0203)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08379/html
- json: https://goldbook.iupac.org/terms/view/08379/json
- xml: https://goldbook.iupac.org/terms/view/08379/xml

Citation: Citation: 'multiplet' 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.08379
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Accessed: 2026-04-17T19:48:53+00:00