A STUDY OF PREFERENTIAL SOLVATION OF N-ALKYL PYRIDINIUM IODIDES IN MIXED-SOLVENTS CONTAINING ACETONITRILE

被引：8

作者：

CHATTERJEE, P ^{[1
]}

MEDDA, K ^{[1
]}

BAGCHI, S ^{[1
]}

机构：

[1] UNIV BURDWAN GOLAPBAG,DEPT CHEM,BURDWAN 713104,W BENGAL,INDIA

来源：

JOURNAL OF SOLUTION CHEMISTRY | 1991年 / 20卷 / 02期

关键词：

MIXED BINARY SOLVENT; PREFERENTIAL SOLVATION; N-ALKYL PYRIDINIUM IODIDE; CT BAND;

D O I：

10.1007/BF00649533

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 charge transfer (CT) band maximum of N-alkyl pyridinium iodide (NAPI) has been studied as a function of the composition of binary mixed dipolar aprotic solvents. The deviation from linearity of the energy maximum (E12) and the mole fraction (of a component solvent) plot is explained as due to a preferential solvation by the more polar cosolvent in the binary mixture. The extent of preferential solvation has been observed to vary with the composition, the maximum being towards the less-polar end. The role of hydrogen bond donating ability of a solvent in preferential solvation is discussed.

引用

页码：249 / 255

页数：7

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