Title: heteronuclear multiple-bond correlation over two bonds
Long Title: IUPAC Gold Book - heteronuclear multiple-bond correlation over two bonds
DOI: 10.1351/goldbook.08353
Status: current

Definition
Variant of the heteronuclear single quantum correlation (HSQC) and heteronuclear multiple bond correlation (HMBC) experiment in nuclear magnetic resonance spectroscopy that almost exclusively correlates \(\ce{^{1}H}\) nuclei with heteronuclei separated by two covalent bonds.


Related Terms
- heteronuclear multiple bond correlation: https://goldbook.iupac.org//terms/view/08352
- heteronuclear single quantum correlation: https://goldbook.iupac.org//terms/view/08358
- nuclear magnetic resonance spectroscopy: https://goldbook.iupac.org//terms/view/08218

Source
- PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 690 (https://doi.org/10.1515/pac-2019-0203)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08353/html
- json: https://goldbook.iupac.org/terms/view/08353/json
- xml: https://goldbook.iupac.org/terms/view/08353/xml

Citation: Citation: 'heteronuclear multiple-bond correlation over two bonds' 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.08353
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Accessed: 2026-06-11T02:47:47+00:00