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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Syntheses and crystal structures of manganese, nickel and zinc chloride complexes with dimethoxyethane and di(2-methoxyethyl) ether
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Syntheses and crystal structures of manganese, nickel and zinc chloride complexes with dimethoxyethane and di(2-methoxyethyl) ether

机译:锰,镍和氯化锌与二甲氧基乙烷和二(2-甲氧基乙基)醚的配合物的合成和晶体结构

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摘要

Reactions of manganese and zinc chloride with dimethoxyethane (DME) in the presence of (CH_3)_3SiCl and water resulted in [MnCl _2(DME)]_n (1) with a polymeric chain structure and in the molecular [ZnCl_2(DME)]_2 (2), respectively. The complexes 1 and 2 reacted with di(2-methoxyethyl) ether (abbreviated diglyme) in tetrahydrofuran (THF) solvent achieving binuclear [MnCl_2(diglyme)] _2 (3) and mononuclear [ZnCl_2(diglyme)] (4), respectively. The complex [NiCl_2(diglyme)]_2 (5) was prepared by the reaction of nickel chloride hexahydrate, diglyme and (CH_3) _3SiCl in THF solvent. A distorted octahedral geometry was found for manganese and nickel ions in the complexes 1, 3 and 5. Linear chains of manganese ions linked by double chloride bridges are present in 1. Two bridging chlorides connect two manganese or nickel atoms into isostructural binuclear molecules 3 and 5, respectively. Two zinc ions in the complex 2 are in different environments, in a tetrahedral and in an octahedral one, while five-coordinate zinc ions are present in the mononuclear complexes 4.
机译:锰和氯化锌与二甲氧基乙烷(DME)在(CH_3)_3SiCl和水的存在下反应生成[MnCl _2(DME)] _ n(1),具有聚合物链结构且分子为[ZnCl_2(DME)] _ 2 (2)分别。配合物1和2在四氢呋喃(THF)溶剂中与二(2-甲氧基乙基)醚(缩写为二甘醇二甲醚)反应,分别获得双核[MnCl_2(二甘醇二甲醚)] _2(3)和单核[ZnCl_2(二甘醇二甲醚)](4)。通过使六水合氯化镍,二甘醇二甲醚和(CH_3)_3SiCl在THF溶剂中反应制得复合物[NiCl_2(diglyme)] _ 2(5)。在配合物1、3和5中发现了锰和镍离子的扭曲八面体几何形状。锰离子的线性链通过双氯桥连接存在于1中。两种桥连氯化物将两个锰或镍原子连接成同构双核分子3和。 5,分别。配合物2中的两个锌离子处于不同的环境中,分别处于四面体和八面体中,而单核配合物4中存在五配位锌离子。

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