KINETICS AND THERMODYNAMICS OF DISSOCIATION OF NICKEL(II)-ISOQUINOLINE COMPLEXES IN WATER, ETHANOL, AND 1-PROPANOL

被引:3
作者
CHATTOPADHYAY, PK [1 ]
KRATOCHVIL, B [1 ]
机构
[1] UNIV ALBERTA,DEPT CHEM,EDMONTON T6G 2G2,ALBERTA,CANADA
关键词
D O I
10.1021/ic50201a002
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Rate constants and associated activation parameters for the dissociation of (solv)5Ni(isoquin)2+ (solv = solvent, isoquin = isoquinoline) in ethanol, 1-propanol, and water and of (solv)5 NiSCN+ in 1-propanol have been measured kinetically by stopped-flow spectrophotometry using H3O+ as the decomposing ion for (solv)5Ni(isoquin)2+ and copper(II) for (solv)5 NiSCN+. These data are compared with previously reported results on dissociation of (solv)5Ni(isoquin)2+ and (solv)5NiSCN+ in several donor solvents. Pathways for dissociation of both (solv)5Ni(isoquin)2+ and (solv)5NiSCN+ in the solvents studied are accommodated within an Id-type mechanism. © 1979, American Chemical Society. All rights reserved.
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页码:2953 / 2956
页数:4
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