UNSPECIFIED (1997) C-C and C-O bond conformations in 1,2-dimethoxyethane, bis-(2-methoxyethyl)ether and poly(ethyleneoxide): Dependence on solvent and temperature. POLYMER, 38 (2). pp. 355-359. ISSN 0032-3861

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Abstract

Data from (3)J(HCCH) and (3)J(HCOC) couplings in 1,2-dimethoxyethane and bis-(2-methoxyethyl)ether, plus (3)J(HCCH) in poly(ethylene oxide), have been obtained in five solvents by iterative fitting. The resulting proportions of gauche rotamers are higher than previous estimates, and higher still after allowance is made for the pentane effect. They fit well with gas phase electron diffraction data, with current gas phase theoretical calculations and with standard RIS parameters for the polymer, but less well with calculations for the liquid state. The influence of solvent arises more from variations in its H-bond donor properties than in its dielectric. Copyright (C) 1996 Elsevier Science Ltd.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Journal or Publication Title:	POLYMER
Publisher:	ELSEVIER SCI LTD
ISSN:	0032-3861
Date:	January 1997
Volume:	38
Number:	2
Number of Pages:	5
Page Range:	pp. 355-359
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/18062

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