Nuclear magnetic resonance studies of fluoroethanes. Part 2.—Rotational isomerism

Transactions of the Faraday Society Pub Date: DOI: 10.1039/TF9696500001

Abstract

The 19F nuclear magnetic resonance spectra of four halogenated ethanes, CF2BrCFBrCl, CF2 ICFCl2, CF2ClCFICl and CF2BrCFBrSO2F over a range of temperature (130–350°K) are described. Individual-rotamer and time-averaged chemical shifts and coupling constants are given. The possibility of theoretical interconversion of individual and averaged parameters is considered.

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