Synthesis and characterization of monomeric Mn (IV) and pseudo-tetrameric Mn (III) complexes: Magnetic properties of Mn (III) complex

被引：21

作者：

Yahsi, Yasemin ^{[1
]}

Kara, Hulya ^{[1
]}

机构：

[1] Balikesir Univ, Fac Art & Sci, Dept Phys, TR-10145 Balikesir, Turkey

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2014年 / 127卷

关键词：

Schiff-base ligands; Mn (III) and Mn (IV) complexes; X-ray crystal structure analysis; Magnetic properties; SCHIFF-BASE LIGANDS; BRIDGED BINUCLEAR MANGANESE(III); HETEROCYCLIC BETA-DIKETONE; CRYSTAL-STRUCTURE; HANTZSCH 1,4-DIHYDROPYRIDINES; HYDROCARBON FUNCTIONALIZATION; STRUCTURAL-CHARACTERIZATION; OXIDATION; OXYGEN; COORDINATION;

D O I：

10.1016/j.saa.2014.02.060

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Two novel monomer Mn (IV) [Mn(3,5-ClL1)(2)]center dot(CH3OH), (1), [3,5-ClL1H(2) = N-(2-hydroxyethyl)-3,5-dichlorosalicylaldimine] (1) and hydrogen-bonded pseudo-tetramer Mn (III) [Mn(5-BrL2)(H2O)(2)](2)center dot[Mn(5-BrL2)(H2O)](2)center dot 2 center dot(ClO4), (2), [5-BrL2H(2) = N,N'-bis(5-bromosalicylidenato)-1,2-diamino-2-methylpropane)] (2) Schiff base complexes have been synthesized and their crystal structures have been determined by single crystal X-ray diffraction analysis. A variable temperature magnetic susceptibility measurement study has been performed for complex (2) and the result indicates there is a very weak antiferromagnetic interaction (J = -0.40 +/- 0.016 cm(-1)) between the two manganese (III) centers. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：25 / 31

页数：7

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