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Étude Par Spectrométrie Infrarouge De L'Interaction Entre Le Bromure De Tetrabutylammonium Et Quelques Dérivés Phenoliques

✍ Scribed by J. B. Bulinda; Th. Zeegers-Huyskens

Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
252 KB
Volume
84
Category
Article
ISSN
0037-9646

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✦ Synopsis

Abstract

The hydrogen bonded complexes formed between tetrabutylammonium bromide and phenol derivatives are studied by infrared spectrometry in CCl~4~. The logarithm of the stability constants of complexes of 1:1 and 2:1 stoechiometry, and the frequency shifts of the stretching vibration IV~OH~ are linearly related to the sum of the Hammett substitution constants. The influence of the proton donor concentration on the infrared spectrum and the structure of the complexes are discussed.

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✍ D. Clotman; J. P. Muller; Th. Zeegers-Huyskens 📂 Article 📅 2010 🏛 Wiley (John Wiley & Sons) ⚖ 386 KB

Complexation constants of hydrogen bonded complexes between substituted phenols and substituted pyridines were determined by infrared spectroscopic measurements in carbon tetrachloride at 25OC. It was previously shown that for monosubstitutedJcomplexes the complexation constant Kab obied the relatio