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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis and Crystal Structures of Manganese(II) and Cobalt(II) Complexes with 2,6-Dimethoxybenzoic Acid and Additional N-Donor Ligands
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Synthesis and Crystal Structures of Manganese(II) and Cobalt(II) Complexes with 2,6-Dimethoxybenzoic Acid and Additional N-Donor Ligands

机译:含2,6-二甲氧基苯甲酸和其他N-供体配体的锰(II)和钴(II)配合物的合成和晶体结构

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摘要

Three coordination compounds [Mn_3(dmb)_6(H_2O)_4(4,4'-bpy)_3(EtOH)]_n (1) and [M(dmb)_2(pyz)_2 (H_2O)_2] [MII = Co (2), Mn (3)] (Hdmb = 2,6-dimethoxybenzoic acid, 4,4'-bpy = 4,4'-bipyridine, pyz = pyrazine) were synthesized and characterized by single-crystal X-ray diffraction analysis. Compound 1 consists of infinite 1D polymeric chains, in which the metal entities are bridged by 4,4'-bpy ligands. There are four crystallographically independent MnII atoms in the linear chain with different coordination modes, which is only scarcely reported for linear polymers. The isostructural crystals of 2 and 3 are composed of neutral mononuclear complexes. In crystal the complexes are combined into chains by intermolecular O-H···N hydrogen bonds and π-π interactions between antiparallel pyrazine molecules.
机译:三种配位化合物[Mn_3(dmb)_6(H_2O)_4(4,4'-bpy)_3(EtOH)] _ n(1)和[M(dmb)_2(pyz)_2(H_2O)_2] [MII = Co (2),Mn(3)](Hdmb = 2,6-二甲氧基苯甲酸,4,4'-bpy = 4,4'-联吡啶,pyz =吡嗪)并通过单晶X射线衍射分析进行表征。化合物1由无限的一维聚合物链组成,其中金属实体被4,4'-bpy配体桥接。线性链中有四个在晶体学上独立的MnII原子,具有不同的配位模式,这对于线性聚合物几乎没有报道。 2和3的同构晶体由中性单核络合物组成。在晶体中,复合物通过分子间的O-H··N氢键和反平行吡嗪分子之间的π-π相互作用结合成链。

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