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首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Synthesis and crystal structures of two coordination polymers and a binuclear cadmium(II) complex containing 3- and 4-aminobenzoate ligands
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Synthesis and crystal structures of two coordination polymers and a binuclear cadmium(II) complex containing 3- and 4-aminobenzoate ligands

机译:两个配位聚合物的合成和晶体结构和含有3-氨基苯甲酸盐配体的双核镉(II)络合物

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Due to their wide range of coordination modes and versatile conformations when binding to metal atoms, multicarboxylate ligands are of interest in the design of metal-organic frameworks (MOFs). Three CdII complexes, namely catena-poly[diammonium [[chloridocadmium(II)]-di-/x-chlorido-[chloridocad-mium(II)]-bis(/x-3-aminobenzoato)-/c37V:O,O>3O,O':7V]], {(NH4)[CdCl2(C7H6-NO2)]}n, (I), catewa-poly[[[aquacadmium(II)]-bis(/M-4-aminobenzoato)-/c: N:O,O0;-k3O,O':N] monohydrate], {[Cd(C7H6NO2)2(H2O)]-H2O}n, (II), and di-/x-acetato-/(:4O:O/-bis[(4-aminobenzoato-/(:2O,O/)(2,2/-bipyridine-/(:2Afr/V/)cadmium(II)], [Cd2(CH3COO)2(C7H6NO2)2(C10H8N2)2], (III), with different stuctural forms are reported. Complex (I) has a one-dimensional ladder structure, with strong N-H ? -O and weak N-H ? -Cl hydrogen bonds linking the cations and anions in the three-dimensional supramolecular structure. Complex (II) has a one-dimensional chain structure. Extensive O-H-O and N-H- ? O hydrogen bonds between the anionic ligands and the solvent water molecules and jt-jt stacking interactions between the centroids of the benzene rings lead to the three-dimensional supramolecular structure. Complex (III) is a binuclear molecule which is extended into a three-dimensional supramolecular structure via strong N—H ? -O and weak C—H ? -O hydrogen bonds.
机译:由于它们在与金属原子结合时的各种配位模式和多功能构象,多羧酸酯配体对金属有机框架(MOF)的设计感兴趣。三个CDII复合物,即Catena-poly [Dammonium [氯丙酰基(II)] - 二/ X-Chllido-氯化物 - 米(II)] - BIS(/ X-3-氨基苯并透) - / C37V:O,O > 3O,O':7V]],{(NH4)[CDCL2(C7H6-NO2)]} N,(I),Catewa-Poly [[[AquacaDmium(II)] - BIS(/ M-4-aminobzoato) - / C:N:O,O0; -K3O,O':N]单水合物],{[Cd(C7H6NO2)2(H2O)] - H2O} N,(II)和DI- / X-acetato- / (:4O:O / -BIS [(4-氨基苯甲酰胺 - /(:2O,O /)(2,2 / -biphyridine - /(:2AFR / v /)镉(II)],[CD2(CH3COO)2 (C10H6NO2)2(C10H8N2)2],(III),具有不同的结构形式。复合物(I)具有一维梯形结构,具有强NHα-O和弱NHγ-CL氢键连接阳离子三维超分子结构中的阴离子。复合物(II)具有一维链结构。阴离子配体和溶剂水分子与溶剂水分子之间的氢键广泛和NH-α0氢键和质心之间的溶液相互作用。苯环导致三维超分子结构。复杂(III)是BI通过强N-H延伸成三维超分子结构的核分子? -O和弱C-H? -O氢键。

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