Syntheses and crystal structures of [M(NO3)(2)(tpen)][NO3]center dot 3H(2)O (M=La, Tb), rare earth complexes with strong M-N bonds

被引：38

作者：

Morss, LR ^{[1
]}

Rogers, RD ^{[1
]}

机构：

[1] NO ILLINOIS UNIV,DEPT CHEM,DE KALB,IL 60115

来源：

INORGANICA CHIMICA ACTA | 1997年 / 255卷 / 01期

关键词：

crystal structures; lanthanum complexes; polydentate amino ligand complexes; chelate complexes;

D O I：

10.1016/S0020-1693(96)05353-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The compounds [M(NO3)(2)(tpen)][NO3]. 3H(2)O with M = La, Nd, Eu, To and Y have been synthesized. Single crystals have been grown of the compounds with M=La and Tb from water-ethanol solution. Their crystal structures have been determined, The compounds are isostructural; the metals are ten-fold coordinated, with six nitrogens from one tpen ligand and four oxygens from two nitrates. Growth of crystals with nitrogen coordinated to rare earths in water-containing solution is unusual and indicates that tpen is a good nitrogen donor even with hard cations.

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页码：193 / 197

页数：5

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