Synthesis and Characterization of an Asymmetric, Linear, Trinuclear Manganese(II) Complex

被引：14

作者：

Coates, Cristina M. ^{[1
]}

Fiedler, Stephanie R. ^{[2
]}

McCullough, T. Laura ^{[1
]}

Albrecht-Schmitt, Thomas E. ^{[3
]}

Shores, Matthew P. ^{[2
]}

Goldsmith, Christian R. ^{[1
]}

机构：

[1] Auburn Univ, Dept Chem & Biochem, Auburn, AL 36849 USA

[2] Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA

[3] Univ Notre Dame, Dept Civil Engn & Geol Sci, Notre Dame, IN 46556 USA

来源：

INORGANIC CHEMISTRY | 2010年 / 49卷 / 04期

关键词：

CATECHOL DIOXYGENASES; VALENCE; CLUSTERS; ANISOTROPY; MOLECULES; OXIDATION; CHEMISTRY; CRYSTAL; LIGANDS; BEARING;

D O I：

10.1021/ic901758s

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

After prolonged heating in acetonitrile, a highly asymmetric, trinuclear manganous complex self-assembles from MnCl2 and bis(2-pyddylmethyl)-1,2-ethanediamine (bispicen). The central Mn(II) ion is bridged to the terminal metal ions in the molecule by single chloride anions. The organic ligands each bind to a single Mn(II) ion. The central Mn(II) and only one of the terminal Mn(II) ions are six-coordinate and bound to bispicen ligands. The remaining terminal Mn(II) ion is coordinated by a tetrahedral array of chloride anions, endowing the trinuclear cluster with a high degree of asymmetry. Variable temperature magnetic measurements are consistent with an S = 5/2 system, indicating net antiferromagnetic coupling.

引用

页码：1481 / 1486

页数：6

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