Synthesis, crystal structures, and properties of lanthanoid(III) complexes with 7-oxa-bicyclo[2.2.1]heptane-2,3-dicarboxylic acid

被引：3

作者：

Schuchner, G

Fechtel, G

Baumeister, U

Hartung, H

机构：

[1] UNIV HALLE WITTENBERG,INST PHYS CHEM,D-06108 HALLE,GERMANY

[2] UNIV HALLE WITTENBERG,INST ANORGAN & ALLGEMEINE CHEM,D-06108 HALLE,GERMANY

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1996年 / 622卷 / 08期

关键词：

lanthanoid(III) carboxylate complexes; synthesis; crystal structure; IR spectra; thermal decomposition;

D O I：

10.1002/zaac.19966220811

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis of coordination compounds [ML(HL)(H2O)] with M = La3+, Ce3+, Pr3+, Nd3+ and H(2)L = 7-oxa-bicyclo[2.2.1]heptane-2-exo,3-cis-dicarboxylic acid (1) has been described. Results of IR spectroscopy and thermal decomposition are given. As a result of X-ray analyses, the four investigated lanthanoid(III) complexes are isotypic. Their stereochemistry approximates to the tri-capped trigonal prism with nine O atoms coordinating the metal atom. The bicyclic ligand acts as a tridentate chelating monoanion HL(-) as well as a pentadentate dianion L(2-) with both chelating and bridging function. One Coordination place at the metal atom is occupied by a water molecule.

引用

页码：1335 / 1341

页数：7

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