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首页> 外文期刊>Crystallography reports >Synthesis and crystal structure of trans-tetrachloro(C,C-dichloro-C-phenyl-methyl-nitrido)(phenylnitrilo)tungsten(VI), trans-[WCl4(NCCl2Ph)(NCPh)]
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Synthesis and crystal structure of trans-tetrachloro(C,C-dichloro-C-phenyl-methyl-nitrido)(phenylnitrilo)tungsten(VI), trans-[WCl4(NCCl2Ph)(NCPh)]

机译:反式-四氯(C,C-二氯-C-苯基-甲基-硝基)(苯基腈)钨(VI),反式[WCl4(NCCl2Ph)(NCPh)]的合成和晶体结构

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摘要

A product of the insertion, namely, trans-tetrachloro(C,C-dichloro-C-phenyl-methyl-nitrido)(phenylnitrilo)tungsten(VI), trans-[WCl4(NCCl2Ph)(NCPh)] (I), is synthesized by the reaction of WCL6 with PhCN in CCl4 under refluxing for 2 h. Judging from the characteristic IR bands v(CdropN) and v(WdropN), the complex synthesized is identical to the compound prepared earlier at room temperature. The crystal structure of complex I is determined using X-ray diffraction analysis. It is revealed for the first time that the coordination polyhedron of the tungsten atom in complex I is a distorted octahedron with four chlorine atoms in the equatorial plane. The axial positions are occupied by the N(1) atom [W-N(1), 2.265(13) Angstrom] of the coordinated benzonitrile group and the N(2) atom [W-N(2), 1.732(13) Angstrom] of the multiply bonded ligand NCCl2Ph. (C) 2004 MAIK "Nauka/Interperiodica".
机译:插入的产物,即反式-四氯(C,C-二氯-C-苯基-甲基-氮基)(苯基腈)钨(VI),反式-[WCl4(NCCl2Ph)(NCPh)](I)为WCL6与PhCN在CCl4中回流2小时反应合成。从特征IR带v(CdropN)和v(WdropN)判断,合成的配合物与先前在室温下制备的化合物相同。配合物I的晶体结构使用X射线衍射分析确定。首次揭示了配合物I中钨原子的配位多面体是在赤道面上具有四个氯原子的扭曲八面体。轴向位置被配位的苄腈基团的N(1)原子[WN(1),2.265(13)埃]和N(2)原子[WN(2),1.732(13)埃]所占据。多重键合配体NCCl2Ph。 (C)2004 MAIK“ Nauka / Interperiodica”。

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