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Analyse vibrationnelle et structurale en série aliphatique saturée. XI—Spectres de vibration de l'acide 3-méthylglutarique et de ses sels alcalins

✍ Scribed by J. Roger; J. L. Delarbre; et L. Maury

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
199 KB
Volume
34
Category
Article
ISSN
0377-0486

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✦ Synopsis

Abstract

Raman and infrared spectra of 3‐methylglutaric acid and its sodium salts in aqueous solution (H~2~O and D~2~O) were recorded from 4000 to 200 cm^−1^. The analysis of the polarization of the Raman lines indicated that 3‐methylglutaric acid and its disodium salts belong to the C~s~ group whereas the acid salt belongs to the C~1~ group. On the basis of the intermolecular hydrogen bond present in the crystalline state of the acid salts, sodium 3‐methylglutarate can be classified as a type B structure whereas two polymorphic forms (A and B) of the potassium salt were identified. Copyright © 2002 John Wiley & Sons, Ltd.

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