Methyl-group motions and potential in t-butyl cyanide

J C Frost, Alan J. Leadbetter, Robert M. Richardson

Research output: Contribution to journalArticle

Abstract

The motions and potential function for the methyl groups in t-butyl cyanide have been studied using neutron scattering measurements. Torsional frequencies, reorientation frequencies and thermodynamic data are consistent with a three-fold potential with barrier height ca. 18 kJ mol-1. This means that, contrary to the conclusions of a number of n.m.r. studies of such systems, the methyl-group reorientations are much slower than, and are decoupled from, the whole-molecule reorientations about the three-fold axis.

Original languageEnglish
Pages (from-to)2139-2154
Number of pages16
JournalJournal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
Volume78
Issue number12
DOIs
Publication statusPublished - 1982

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