Effect of tetraphenylphosphonium and tetraphenylborate ions on the water structure in aqueous solutions; FTIR studies of HDO spectra

被引：45

作者：

Stangret, J

KamienskaPiotrowicz, E

机构：

[1] Department of Physical Chemistry, Technical University of Gdańsk

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1997年 / 93卷 / 19期

关键词：

D O I：

10.1039/a702354e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

FTIR spectroscopy has been used to study interactions of Ph4B- and Ph4P+ ions with water in aqueous solutions. The effect of Ph4BNa and Ph4PCl on the HDO vibration band in the fundamental region has been investigated. A new modification of the difference spectra method has been applied for the analysis of the spectral data. The results have revealed distinct differences in hydration of Ph4B- and Ph4P+ ions: Ph4B- ion strongly decreases the hydrogen-bond energy of surrounding water molecules, while Ph4P+ ion changes it slightly. The effect of Ph4B- is determined by anion-water interactions, while the effect of Ph,PC is determined by water-water interactions around the cation. The changes in the energy of water hydrogen bonds upon the ions have been evaluated.

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页码：3463 / 3466

页数：4

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