ELECTROSTATIC-FIELD OF CHARGE-DISTRIBUTIONS ENCLOSED IN A POLARIZABLE MEDIUM - SOLVENT EFFECTS IN ELECTRONIC-SPECTRA OF KETYL ION-PAIRS

被引:1
|
作者
MCCLELLAND, BJ [1 ]
MODINOS, A [1 ]
机构
[1] NATL TECH UNIV ATHENS,DEPT PHYS,GR-15773 ATHENS,GREECE
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1991年 / 87卷 / 08期
关键词
D O I
10.1039/ft9918701117
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
Explicit formulae are derived for the electrostatic field, and quantities associated with it, of an arbitrary system of point charges contained in two spherical cavities in a uniform dielectric medium; the mathematical technique is borrowed from multiple-scattering theory. This system is considered as a model for polyatomic ion pairs in solution. The formulae are applied to the alkali-metal-benzophenone contact ion pairs, and it is shown that experimentally observed solvent shifts and cation-radius dependence of the absorption band maximum at ca. 650 nm are thereby explained.
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页码:1117 / 1126
页数:10
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