THE PREPARATION AND CHARACTERIZATION OF CIS-AQUAHYDROXOTETRAAMMINEIRIDIUM(III) AND TRANS-AQUAHYDROXOTETRAAMMINEIRIDIUM(III) COMPLEXES AND OF DIHYDROXO-BRIDGED AND MONOHYDROXO-BRIDGED BINUCLEAR TETRAAMMINEIRIDIUM(III) COMPLEXES AND THERMODYNAMIC AND KINETIC INVESTIGATIONS OF THE BINUCLEAR COMPLEXES

被引：8

作者：

GALSBOL, F

SIMONSEN, K

SPRINGBORG, J

机构：

[1] ROYAL VET & AGR UNIV,DEPT CHEM,THORVALDSENSVEJ 40,DK-1871 FREDERIKSBERG C,DENMARK

[2] UNIV COPENHAGEN,HC ORSTED INST,DEPT CHEM 1,DK-2100 COPENHAGEN,DENMARK

来源：

ACTA CHEMICA SCANDINAVICA | 1992年 / 46卷 / 10期

关键词：

D O I：

10.3891/acta.chem.scand.46-0915

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Procedures are given for the preparation of salts of the following complex cations: cis-[Ir(NH3)4(OH)(H2O)]2+, trans-[Ir(NH3)4(OH)(H2O)2+, [(NH3)4Ir(OH)2Ir-(NH3)4]4+ and cis,cis-[(H2O)(NH3)4Ir(OH)Ir(NH3)4(OH)]4+. The concentration acid dissociation constants of cis- and trans-[Ir(NH3)4(H2O)2]3+ and cis,cis-[(H2O)(NH3)4- Ir(OH)Ir(NH3)4(H2O]5+ were determined in 1.0 M NaClO4. The thermodynamics and kinetics for the equilibration reaction between the dihydroxo-bridged and the monohydroxo-briged species were studied spectrophotometrically from 25.0 to 80.0-degrees-C for concentrations of H+ ranging from 10(-7) to 1.0 M (1.0 M (Na,H)ClO4), and the results have been interpreted in terms of Scheme 1 of the paper.

引用

页码：915 / 922

页数：8

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