A general framework for the solvatochromism of pyridinium phenolate betaine dyes

被引：18

作者：

Caroli Rezende, Marcos ^{[1
]}

Aracena, Andres ^{[1
]}

机构：

[1] Univ Santiago Chile, Fac Quim & Biol, Santiago, Chile

来源：

CHEMICAL PHYSICS LETTERS | 2013年 / 558卷

关键词：

BEHAVIOR; ELECTROPHILICITY;

D O I：

10.1016/j.cplett.2012.09.067

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：

A general framework for the solvatochromic behavior of pyridinium phenolate betaine dyes is presented, based on the variations with the medium of the electrophilic Fukui functions of their electron-pair donor and acceptor moieties. The model explains the 'anomalous' solvatochromic behavior of large betaines, which change their behavior from negative to inverted, when electron-pair donor and acceptor groups are separated by a conjugated chain of variable size. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：77 / 81

页数：5

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