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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Two supramolecular nickel(II) complexes: Syntheses, crystal structures and solvent effects
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Two supramolecular nickel(II) complexes: Syntheses, crystal structures and solvent effects

机译:两种超分子镍(II)配合物:合成,晶体结构和溶剂效应

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摘要

Two nickel(II) complexes, namely {[NiL(MeOH)(μ-OAc)] _2Ni} ·2CH _2Cl _2·2MeOH (1) and {[NiL(EtOH)(μ-OAc)] _2Ni}·2EtOH (2) {H _2L = 5, 5'-dimethoxy-2, 2'-[(ethylene)dioxybis(nitrilomethylidyne)]diphenol}, were synthesized and structurally characterized. Two trinuclear Ni ~II complexes are both hexacoordinate around the central Ni ~II atoms, showing octahedral coordination arrangements, and each complex comprises three divalent Ni ~II atoms, two deprotonated L ~(2-) ligands, in which four μ-phenoxo oxygen atoms forming two [NiL(X)] (X = MeOH or EtOH) units, and coordinated and non-coordinated solvent molecules. Complex 1 exhibits a 2D supramolecular network through intermolecular O-H?O, C-H?O and C-H?π interactions, whereas complex 2 forms an infinite 1D chain by intermolecular C-H?O hydrogen bonding interactions.
机译:两种镍(II)配合物,即{[NiL(MeOH)(μ-OAc)] _2Ni}·2CH _2Cl _2·2MeOH(1)和{[NiL(EtOH)(μ-OAc)] _2Ni}·2EtOH(2 ){H _2L = 5,5'-二甲氧基-2,2'-[((乙烯)二氧基双(亚硝基甲基亚炔基)]二酚})的合成和结构表征。两个三核Ni〜II配合物均在中心Ni〜II原子周围具有六配位,显示八面体配位排列,每个配合物均包含三个二价Ni〜II原子,两个去质子化的L〜(2-)配体,其中四个μ-苯氧原子形成两个[NiL(X)](X = MeOH或EtOH)单元,以及配位和非配位溶剂分子。配合物1通过分子间的O-H 2 O,C-H 2 O和C-H 2π相互作用表现出二维超分子网络,而配合物2通过分子间的C-H 2 O氢键相互作用形成无限的1D链。

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