Nuclear magnetic resonance spectra of oriented 4-spin systems with C_2v symmetry (AA′BB′). The spectrum of thiophene

15 August 1968

journal article
Published by Canadian Science Publishing in Canadian Journal of Chemistry

Vol. 46 (16) , 2645-2648
https://doi.org/10.1139/v68-435

Abstract

The general Hamiltonian for the nuclear magnetic resonance (n.m.r.) spectra of oriented 4-spin systems with C_2v symmetry of the type (AA′BB′) is reported. The system can be discussed analytically, if only the direct coupling between the various nuclei is considered. The expressions for transition frequencies and intensities for such a case are given.The proton spectrum of thiophene in the nematic phase of p,p′-di-n-hexyloxyazoxybenzene has been analyzed. The ratios of the various interproton distances are determined.

Keywords

SPECTRUM
NUCLEAR MAGNETIC RESONANCE

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Nuclear magnetic resonance spectra of oriented 4-spin systems with C2v symmetry (AA′BB′). The spectrum of thiophene

Abstract

Keywords

Nuclear magnetic resonance spectra of oriented 4-spin systems with C_2v symmetry (AA′BB′). The spectrum of thiophene