Synthesis, crystal structure, and magnetic behaviour of [Gd2(ClF2CCOO)6(H2O)2(biPY)2]2•C2H5OH

被引：8

作者：

John, Daniela ^{[1
]}

Urland, Werner ^{[1
]}

机构：

[1] Univ Hannover, Inst Anorgan Chem, D-30167 Hannover, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2006年 / 632卷 / 10-11期

关键词：

gadolinium; chlorodifluoroacetic acid; 2,2'-bipyridyl; synthesis; crystal structure; magnetic behaviour;

D O I：

10.1002/zaac.200500400

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of [Gd-2(ClF2CCOO)(6)(H2O)(2)(biPY)(2)](2). C2H5OH have been obtained by reaction of Gd(ClF2CCOO)(3)(H2O)(3) with 2,2'-bipyridyl in a solution of ethanol and water. The compound crystallizes in the triclinic space group P (1) over bar (Nr. 2, Z = 2, a = 1201.6(2) pm, b = 1241.1(3) pm, c = 1990.4(3) pm, alpha = 96.29(2)degrees, beta = 104.85(2)degrees, gamma = 116.70(2)degrees). The Gd 31 ions are bridged by carboxylate groups to dimers and are eightfold coordinated by six oxygen and two nitrogen atoms. The magnetic behaviour of the compound was investigated in the temperature range of 1.77 to 300 K. The magnetic data indicate an anti ferromagnetic interaction within the dimeric units.

引用

页码：1768 / 1770

页数：3

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