Structural information on trans-1,2-diaminocyclohexane-N,N′-tetraacetateferrate (III) in the solid and aqueous phase

被引：19

作者：

Seibig, S ^{[1
]}

van Eldik, R ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Inst Inorgan Chem, D-91058 Erlangen, Germany

来源：

INORGANICA CHIMICA ACTA | 1998年 / 279卷 / 01期

关键词：

crystal structures; iron complexes; amino-acetate ligand complexes; electrochemistry;

D O I：

10.1016/S0020-1693(98)00033-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structure of trans-1,2-diaminocyclohexane-N,N'-tetraacetatoferrate (III) was investigated in the solid state and in aqueous solution. The pK(a) values for the title complex were determined with the aid of spectrophotometric titration to be pK(a1) = 1.10 +/- 0.03 and pK(a2) = 6.9 +/- 0.2. Electrochemical data were obtained as a function of pH and a new redox wave belonging to a dimeric species was observed. The structure of Na[Fe(cdta) (H2O)]. 5H(2)O was determined by single crystal X-ray analysis. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：37 / 43

页数：7

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