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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Transition metal complexes of benzil-alpha-monoxime (BMO); X-ray structure determination of Co(BMO)(3)
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Transition metal complexes of benzil-alpha-monoxime (BMO); X-ray structure determination of Co(BMO)(3)

机译:苯甲-α-一肟(BMO)的过渡金属配合物; Co(BMO)(3)的X射线结构测定

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摘要

Cobalt(III), nickel(II) and copper(II) complexes of benzil-alpha-monoxime (BMO) have been synthesized and characterized by elemental analyses, conductivity, magnetic susceptibility measurements, IR and electronic spectral data. The molar conductivity data show them to be non-electrolytes. The monoanionic bidentate behavior of BMO is inferred from IR spectral studies. The electronic spectral data suggest planar geometry for nickel(II) and copper(II) complexes. The nickel complex assumes an octahedral structure in a coordinating solvent (N,N-dimethylformamide (DMF)). The [Co(BMO)(3)] complex has been isolated as a single crystal and its structure was determined by X-ray diffraction. X-ray data confirms the presence of a fac-octahedral configuration for this complex. Electrochemical studies suggest that the cobalt complex undergoes two single one-electron reduction steps corresponding to Co(III) --> Co(II) and Co(II) --> Co(I). (C) 2000 Elsevier Science Ltd. All rights reserved. [References: 21]
机译:合成了苄基-α-一肟(BMO)的钴(III),镍(II)和铜(II)配合物,并通过元素分析,电导率,磁化率测量,红外光谱和电子光谱数据进行了表征。摩尔电导率数据显示它们为非电解质。从红外光谱研究可以推断出BMO的单阴离子二齿行为。电子光谱数据表明镍(II)和铜(II)配合物的平面几何形状。镍络合物在配位溶剂(N,N-二甲基甲酰胺(DMF))中呈八面体结构。 [Co(BMO)(3)]配合物已分离为单晶,其结构通过X射线衍射确定。 X射线数据证实了该复合物存在正八面体构型。电化学研究表明,钴配合物经历了两个单个的单电子还原步骤,分别对应于Co(III)-> Co(II)和Co(II)-> Co(I)。 (C)2000 Elsevier ScienceLtd。保留所有权利。 [参考:21]

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