On the origin of magnetic non-equivalent of diastereotopic nuclei in NMR spectroscopy

P. J. Stiles*

*Corresponding author for this work

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Long range chiral shielding is found to be proportional to the product of spectroscopic parameters which characterize the site chirality of the sensor nucleus and the rotary strengths of the dissymmetric perturbing group. It falls away as the inverse sixth power of the distance between the nucleus and the perturbing group. Such shielding is extremely small but is responsible for the proton non-equivalence which survives free rotation about the carboncarbon bond in rigid-rotor ethanes of the type CH2U-CXYZ.

Original languageEnglish
Pages (from-to)23-26
Number of pages4
JournalChemical Physics Letters
Volume43
Issue number1
DOIs
Publication statusPublished - 1 Oct 1976
Externally publishedYes

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