HALOGEN-COMPLEXES OF COPPER(II) IN ANHYDROUS PROPAN-2-OL

被引：11
作者：
DALI, S
BENGHANEM, F
KHAN, MA
MEULLEMEESTRE, J
VIERLING, F [1 ]
机构：
[1] UNIV STRASBOURG 1,EHICS,CHIM PHYS LAB,CNRS,URA 405,1 RUE BLAISE PASCAL,F-67008 STRASBOURG,FRANCE
[2] UNIV SETIF,INST CHIM,SETIF 19000,ALGERIA
[3] UNIV ANGERS,FAC PHARM,F-49100 ANGERS,FRANCE
来源：
POLYHEDRON | 1991年 / 10卷 / 22期
关键词：
D O I：
10.1016/S0277-5387(00)81326-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Solutions of copper(II) halides in propan-2-ol were investigated spectrophotometrically at 25-degrees-C and at constant ionic strength. For the chlorides as well as the bromides four mononuclear complexes are present in the solutions and their overall stability constants were calculated as log-beta-CuCl+ = 5.7, log-beta-CuCl2 = 8.6, log-beta-CuCl3- = 10.2, log-beta-CuCl4(2-) = 10.6, and log-beta-CuBr+ = 6.1, log-beta-CuBr2 = 8.4, log-beta-CuBr3- = 10.2, log-beta-CuBr4(2-) = 10.7. Electronic spectra of all the species present in the solution were calculated; the tetrahalogenocuprate CuX4(2-) has D2d symmetry. A comparative study of the thermodynamic stabilities of these complexes in alcohols shows a tendency of stability as an increasing function of number of carbon atoms in the alcohol.
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收藏
页码：2529 / 2533
页数：5
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