SOLVENT, ELECTROLYTE AND SOLUTE SHAPE EFFECTS ON OPTICAL ELECTRON-TRANSFER IN MIXED-VALENCE RUTHENIUM AMMINE DIMERS

被引：23

作者：

LAU, KW ^{[1
]}

HU, AMH ^{[1
]}

YEN, MHJ ^{[1
]}

FUNG, EY ^{[1
]}

GRZYBICKI, S ^{[1
]}

MATAMOROS, R ^{[1
]}

CURTIS, JC ^{[1
]}

机构：

[1] UNIV SAN FRANCISCO,DEPT CHEM,SAN FRANCISCO,CA 94117

来源：

INORGANICA CHIMICA ACTA | 1994年 / 226卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

OPTICAL ELECTRON TRANSFER; RUTHENIUM COMPLEXES; AMMINE COMPLEXES; MIXED VALENCE COMPLEXES; DINUCLEAR COMPLEXES;

D O I：

10.1016/0020-1693(94)04079-6

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of nine mixed-valence ruthenium ammine dimers have been synthesized and their intervalence transfer spectra have been studied in a group of 14 solvents. The importances of both dielectric continuum effects and specific solvent-solute interactions in defining the nature of the solvent dependences of the IT absorption energies have been addressed. Specific solvent-solute effects predominate for most of the members in the series. Dielectric continuum effects predominate only for the (NH3)(5)Ru(4,4'-bipyridine)Ru(NH3)(5)(5+) system (dimer 7 of the series investigated). Four of the members of the series show evidence for a dual solvent dependence. Ion-atmosphere/ion-pairing effects are at their maximum for dimer 7.

引用

页码：137 / 143

页数：7

共 42 条

[1] SOLVENT EFFECTS ON ELECTRON-TRANSFER KINETICS - A CORRELATION OF RATE CONSTANTS WITH SOLVENT ACIDITY, BASICITY, AND POLARIZABILITY PARAMETERS [J].