A dimanganese(II) complex with bridging chlorides: Synthesis, electrochemistry, magnetic behavior, structure and bonding

被引：7

作者：

Braeuer, Bjoern ^{[1
]}

Schaarschmidt, Dieter ^{[1
]}

Flohrer, Claudia ^{[1
]}

Rueffer, Tobias ^{[1
]}

Tripke, Sascha ^{[1
]}

Hildebrandt, Alexander ^{[1
]}

Walfort, Bernhard ^{[1
]}

Sorace, Lorenzo ^{[2
,3
]}

Lang, Heinrich ^{[1
]}

机构：

[1] Tech Univ Chemnitz, Inst Chem, Dept Inorgan Chem, D-09107 Chemnitz, Germany

[2] Univ Florence, Dept Chem, I-50019 Florence, Italy

[3] Univ Florence, INSTM, I-50019 Florence, Italy

来源：

INORGANICA CHIMICA ACTA | 2011年 / 365卷 / 01期

关键词：

Manganese; Chloride; Electrochemistry; Magnetic; Susceptibility; Solid state structure; DENSITY-FUNCTIONAL THEORY; DINUCLEAR MN COMPLEXES; CRYSTAL-STRUCTURES; MANGANESE(II) COMPLEXES; BINUCLEAR; LIGANDS; BASE; TRANSFORMATION; COORDINATION; MONONUCLEAR;

D O I：

10.1016/j.ica.2010.09.033

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis of dimeric [Mn2Cl2(mu-Cl)(2)(dipa)(2)]center dot MeOH (3) (dipa = dipyridylmethylamine) from [MnCl2(H2O)(4)] (1) and dipa (2) and its structural characterization is reported. In the solid state complex 3 is dimeric and possesses crystallographically imposed C-2 symmetry, which differs from similar dimanganese(II) complexes showing an inversion symmetry for the central Mn(mu-Cl)(2)Mn arrangement. Each manganese atom is thereby bound by three nitrogen atoms from a facially coordinated dipa ligand, and three chlorides (1 terminal and 2 mu-bridging) in an octahedrally distorted fashion. The cylovoltammogram of 3 displays that the two manganese(II) ions can independently be oxidized. The magnetic properties of 3 were determined by susceptibility measurements versus temperature. The intramolecular J parameter was determined to a value of J = (-5.2 +/- 0.5) cm (1). (C) 2010 Elsevier B. V. All rights reserved.

引用

页码：277 / 281

页数：5

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