Field-Dependence of Chemical Shifts in Colbalt(III) N.M.R. Spectroscopy. Theoretical Predictions
- 1 January 1979
- journal article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 32 (1) , 1-10
- https://doi.org/10.1071/ch9790001
Abstract
Ramsey's suggestion of fourth-order perturbation theory contribution to a field-dependent chemical shielding arising from paramagnetic currents is more closely examined. The effect is shown to be opposite in sign to the field-invariant chemical shielding tensor and, for cobalt(111) chemical shifts, only becomes important for some complexes for field strengths in excess of 20T.Keywords
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