shielding constant, σ

https://doi.org/10.1351/goldbook.S05645
In NMR the difference between the external magnetic flux density and the local magnetic flux density at a resonating nucleus affected by the neighbouring electrons divided by the external flux density, σ=B0−BB0.
Source:
Green Book, 2nd ed., p. 25 [Terms] [Book]
Citation: 'shielding constant' 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.S05645 RIS BibTex EndNote
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