The study of aqueous isopropanol solutions at various concentrations: low frequency Raman spectroscopy and molecular dynamics simulations

被引：24
|
作者：
Idrissi, A [1 ]
Longelin, S [1 ]
机构：
[1] Univ Sci & Technol Lille, Ctr Etud & Rech Lasers & Applicat, Spectrochim Infrarouge & Raman Lab, CNRS,UMR 8516, F-59655 Villeneuve Dascq, France
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2003年 / 651卷
关键词：
low frequency Raman spectra; aqueous solutions; self aggregation;
D O I：
10.1016/S0022-2860(03)00107-8
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：
The low-frequency Raman spectra of aqueous isopropanol mixtures at different proportions have been recorded. The influence of the isopropanol concentration on the position of the peak at (ν) over bar (2) = 190 cm(-1) associated to hydrogen bond between water molecules has been analyzed. The small shift to lower frequencies of the (ν) over bar (2) band indicates that isopropanol has a small effect of a structure breaker of hydrogen bond between water molecules. This result is correlated to the degree of self aggregation at a microscopic level of isopropanol. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：271 / 275
页数：5
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