The Anderson-type anion (TeMo6O24)6- -: A multidentate ligand for trivalent rare earth cations

被引：58

作者：

Drewes, D ^{[1
]}

Limanski, EM ^{[1
]}

Krebs, B ^{[1
]}

机构：

[1] Univ Munster, Inst Anorgan & Analyt Chem, D-48149 Munster, Germany

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2004年 / 24期

关键词：

polyoxometalates; molybdenum; lanthanides; tellurium; self-assembly;

D O I：

10.1002/ejic.200400525

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The syntheses and structural characterizations of four novel lanthanide polyoxomolybdates containing the Anderson-type anion (TeMO6O24)(6-) are presented. Depending on the size of the trivalent rare earth cations, in the solid-state structures of {[La(H2O)(6)](2)(TeMo6O24)}(n).6nH(2)O (1), {[Ce(H2O)(7)](2)-(TeMo6O24)}(n).7nH(2)O (2), {[Pr(H2O)(7)](2)(TeMo6O24)}(n).8nH(2)O (3) and {[Nd(H2O)(7)](2)(TeMo6O24)}(n).8nH(2)O (4) two different arrangements of the building unit are present. The (TeMo6O24)(6-) anion acts as a hexadentate ligand for La-III and as a tetradentate ligand for Ce-III, Pr-III and Nd-III, leading to two different infinite one-dimensional chains. The crystal structures of the new compounds are compared with known lanthanide polyoxomolybdates containing the (TeMo6O24)(6-) anion and the influence of the Ln(III) ionic radii is discussed. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004).

引用

页码：4849 / 4853

页数：5

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