{"term":{"id":"08367","title":"incredible natural-abundance double-quantum transfer experiment","longtitle":"IUPAC Gold Book - incredible natural-abundance double-quantum transfer experiment","doi":"10.1351\/goldbook.08367","code":"08367","status":"current","acronym":"<em>acronym<\/em>: INADEQUATE","definitions":[{"id":1,"text":"Nuclear magnetic resonance spectroscopy experiment designed to show homonuclear spin-spin coupling correlations between low natural abundance nuclei such as \\(\\ce{^{13}C}\\).\n","notes":{"1":"2D variant shows each coupled pair of nuclei gives a pair of peaks on the INADEQUATE spectrum which both have the same vertical coordinate, which is the sum of the chemical shifts of the nuclei; the horizontal coordinate of each peak is the chemical shift for each of the nuclei separately."},"links":[{"term":"Nuclear magnetic resonance spectroscopy","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08218"},{"term":"spectrum","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/08384"}],"sources":["PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 693 (https:\/\/doi.org\/10.1515\/pac-2019-0203)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/08367\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/08367\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/08367\/plain"},"citation":"Citation: 'incredible natural-abundance double-quantum transfer experiment' 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.08367","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":"2026-06-11T22:22:30+00:00"}}