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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >A Pentanuclear Cobalt Complex with two [Co-II(CH3O)(3)](-) Units Wrapping a Triangular [(Co3O)-O-III](7+) Core: Synthesis, Structure, and Magnetic Properties
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A Pentanuclear Cobalt Complex with two [Co-II(CH3O)(3)](-) Units Wrapping a Triangular [(Co3O)-O-III](7+) Core: Synthesis, Structure, and Magnetic Properties

机译:与三角形[(CO3O)-O-III](7 +)核心:合成,结构和磁性特性包装三角形钴络合物

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摘要

The reaction of Hppko (Hppko = phenyl 2-pyridyl ketone oxime) and CoCl(2)6H(2)O in the CH3OH solvent with the presence of triethylamine (NEt3) at room temperature and the exposure to air resulted in the formation of a new pentanuclear, mixed-valence cobalt complex with the molecular formula [{Co-II(CH3O)(3)}(2){Co-3(III)((3)-O)(ppko)(3)}Cl-2]. X-ray single crystal analysis displays a trigonal bipyramid configuration with the terminal two Co-II ions wrapping an triangle [(Co3O)-O-III](7+) core. The intermolecular C-HO and C-HCl interactions form a 2D network framework. The analysis of magnetic susceptibility revealed the dominant antiferromagnetic interactions and strong orbital contribution of Co-II ions.
机译:Hppko(Hppko=苯基2-吡啶基酮肟)和CoCl(2)6H(2)O在CH3OH溶剂中与三乙胺(NEt3)在室温下反应并暴露于空气中,形成了一种新的五核混合价钴配合物,分子式为[{Co II(CH3O)(3)}(2){Co-3(III)((3)-O)(ppko)(3)}Cl 2]。X射线单晶分析显示了一个三角双锥构型,末端两个Co II离子包裹一个三角形[(Co3O)-O-III](7+)核。分子间的C-HO和C-HCl相互作用形成了一个二维网络框架。磁化率分析揭示了主要的反铁磁相互作用和钴离子的强轨道贡献。

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