The trihydrochloride monohydrate of N-(pyrid-2-ylmethyl)ethylenediamine-N,N′,N′-triacetic acid and its lanthanum(III) complex

被引：0

作者：

Ruloff, R ^{[1
]}

Richter, R ^{[1
]}

Beyer, L ^{[1
]}

机构：

[1] Univ Leipzig, Inst Anorgan Chem, D-04103 Leipzig, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1998年 / 624卷 / 05期

关键词：

polyamino polycarboxylate; lanthanum(III)/europium(III) complex; crystal structure; water coordination;

D O I：

10.1002/(SICI)1521-3749(199805)624:5<902::AID-ZAAC902>3.0.CO;2-6

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We report the results of the investigation of N-(pyrid-2-ylmethyl)ethylenediamine-N,N',N'-triacetic acid (H(3)pedta) and its complexes with rare earth metal ions. The X-ray crystal structures of H(3)pedta . 3HCl . H2O and of the lanthanum(III) complex [La(pedta)(H2O)]. 2H(2)O were determined. The complex forms a polymer, lanthanum(III) has coordination number 10, one water molecule is coordinated. The water degradation of H(3)pedta . 3HCl . H2O and of the complex was investigated by thermoanalysis. Luminescence studies of the corresponding europium(III) complex in aqueous solution show three coordinated water molecules.

引用

页码：902 / 908

页数：7

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