total correlation spectroscopy 

Synonym: homonuclear Hartmann-Hahn spectroscopy (HOHAHA)
Initialism: TOCSY
https://doi.org/10.1351/goldbook.08435
Two-dimensional nuclear magnetic resonance homonuclear correlation experiment, which creates correlations between all protons within a given spin system, not just between geminal or vicinal protons as in COSY.
Note:
TOCSY uses a spin lock to allow propagation of magnetization through scalar couplings.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 709 [Terms] [Paper]
Citation: 'total correlation spectroscopy' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.08435 RIS BibTex EndNote
Div. VTextXMLJSON