Ferromagnetic interactions through double hydrogen bonding bridges in manganese(II) coordination polymers

被引：13

作者：

Wang, Kun ^{[1
]}

Wang, Yan-Qin ^{[1
]}

Zhang, Xiu-Mei ^{[1
]}

Gao, En-Qing ^{[1
]}

机构：

[1] E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China

来源：

DALTON TRANSACTIONS | 2013年 / 42卷 / 13期

基金：

美国国家科学基金会; 高等学校博士学科点专项科研基金;

关键词：

DINUCLEAR COPPER(II) COMPLEXES; SINGLE-MOLECULE MAGNET; CRYSTAL-STRUCTURES; BONDED BRIDGES; CIS-HYDROXOAQUACHROMIUM(III) COMPLEXES; SPECTROSCOPIC CHARACTERIZATION; STRUCTURAL-CHARACTERIZATION; POLYNUCLEAR COMPLEXES; CHAIN MAGNET; SYSTEMS;

D O I：

10.1039/c2dt32826g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three isostructural Mn(II) compounds with a zwitterionic dicarboxylate ligand and different pseudo-halides were synthesized, and then structurally and magnetically characterized. They are formulated as [Mn(L)(X)(2)(H2O)(2)](n) [X = N-3(-) (1), NCO- (2), NCS- (3), L = 1,4-bis(4-carboxylato-1-pyridinium)butane]. In these compounds, adjacent Mn(II) ions are connected into coordination chains by long zwitterionic linkers and into hydrogen-bonded chains by short double O-H center dot center dot center dot N bridges involving coordinated water and pseudohalide ligands. Magnetic studies revealed for the first time that the double hydrogen bridges induce ferromagnetic coupling between the Mn(II) ions.

引用

页码：4533 / 4538

页数：6

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