Two three-dimensional metal-organic frameworks containing one-dimensional hydroxyl/carboxylate mixed bridged metal chains: Syntheses, crystal structures, and magnetic properties

被引：215

作者：

Li, XJ

Wang, XY

Gao, S ^{[1
]}

Cao, R

机构：

[1] Peking Univ, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China

来源：

INORGANIC CHEMISTRY | 2006年 / 45卷 / 04期

关键词：

D O I：

10.1021/ic050999x

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two novel three-dimensional complexes formulated as [M(3)(bime)(2)(mu(3)-OH)(2)(HO-BDC)(2)](n) (M = Co, 1; Cu, 2) [bime = 1,2-bis(imidazol-1'-yl)ethane, HO-H(2)BDC = 5-hydroxyisophthalic acid] have been hydrothermally synthesized and characterized. Both 1 and 2 exhibit similar structural frameworks resulting from one-dimensional metal/oxygen chains extended by HO-BDC, but the bridging modes of HO-BDC and coordination environments of metal centers are different. Complexes 1 and 2 crystallize in the orthorhombic system, space group Pbcn, a = 18.458(2) [18.2119(12) for 2] angstrom, b = 12.0616(14) [11.6847(7)] angstrom, c = 11.4859(14) [12.0688(6)] angstrom, and Z = 4 (4). Magnetic studies show that 1 displays a slow magnetic relaxation, a large hysteresis, and distinct finite-size effects and 2 contains an antiferromagnetic chain.

引用

页码：1508 / 1516

页数：9

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