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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Coordination polymeric 1,2-dithiooxalato and 1,2-dithiosquarato complexes. Syntheses and structures of [BaCr2(bipy)(2)(1,2-dtox)(4)(H2O)(2)], [Ni(cyclam)(1,2-dtsq)center dot 2DMF, [Ni(cyclam)Mn(1,2-dtsq)(2)(H2O)(2)]center dot 2H(2)O, and [H3O][H5O2][
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Coordination polymeric 1,2-dithiooxalato and 1,2-dithiosquarato complexes. Syntheses and structures of [BaCr2(bipy)(2)(1,2-dtox)(4)(H2O)(2)], [Ni(cyclam)(1,2-dtsq)center dot 2DMF, [Ni(cyclam)Mn(1,2-dtsq)(2)(H2O)(2)]center dot 2H(2)O, and [H3O][H5O2][

机译:配位聚合1,2-二硫代草酸酯和1,2-二硫代夸脱配合物。 [BaCr2(bipy)(2)(1,2-dtox)(4)(H2O)(2)],[Ni(cyclam)(1,2-dtsq)中心点2DMF,[Ni(cyclam) )Mn(1,2-dtsq)(2)(H2O)(2)]中心点2H(2)O和[H3O] [H5O2] [

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摘要

1,2-Dithioxalate and 1,2-dithiosquarate ions have a pair of soft and hard donor centers and thus are suited for the formation of coordination polymeric complexes containing soft and hard metal ions. The structures of four compounds with building blocks containing these ligands are reported: In [BaCr2(biPY)(2)(1,2-dtOX)(4)(H2O)(2)] Barium ions and pairs of Cr(bipy)(1,2-dtox)(2) complexes form linear chains by the bisbidentate coordination of the dithiooxalate ligands towards Ba2+ and Cr3+. In [Ni(cyclam)(1,2-dtsq)].2DMF short N-H...O hydrogen bonds link the NiS2N4-octahedra with C-2v-symmetry to an infinite chain. In [Ni(cyclam)Mn(1,2-dtsq)(2)(H2O)(2)].2H(2)O the 1,2-dithiosquarato ligand shows a rare example of S-coordination towards manganese(II). The sulfur atoms of cis-MnO2S4-polyedra are weakly coordinated towards the axial sites of square-planar NiN4-centers, thus forming a zig-zag-chain of Mn...Ni...Mn...Ni polyhedra. [H3O][H5O2][Cu-(cyclam)](3)[Cu-2(1,2-dtsq)(3)](2) contains square planar [Cu-II(cyclam)](2+) ions and dinuclear [Cu-2(I)(1,2-dtsq)(3)](4-) ions. Here each copper atom is trigonally planar coordinated by S-donor atoms of the ligands. The Cu...Cu distance is 2.861(4) Angstrom. [References: 26]
机译:1,2-二硫代草酸根离子和1,2-二硫代方酸根离子具有一对软的和硬的供体中心,因此适用于形成包含软金属和硬金属离子的配位聚合物络合物。报道了具有包含这些配体的结构单元的四种化合物的结构:在[BaCr2(biPY)(2)(1,2-dtOX)(4)(H2O)(2)]钡离子和Cr(bipy)( 1,2-dtox)(2)络合物通过二硫代草酸酯配体对Ba2 +和Cr3 +的双双配位而形成线性链。在[Ni(cyclam)(1,2-dtsq)]。2DMF中,短的N-H ... O氢键将C-2v对称的NiS2N4-八面体连接到无限链。在[Ni(cyclam)Mn(1,2-dtsq)(2)(H2O)(2).. 2H(2)O中,1,2-二硫代方配体显示了对锰(II)进行S配位的罕见例子。顺式-MnO2S4-多面体的硫原子与方形NiN4-中心的轴向位点弱配位,从而形成Mn ... Ni ... Mn ... Ni多面体的锯齿形链。 [H3O] [H5O2] [Cu-(cyclam)](3)[Cu-2(1,2-dtsq)(3)](2)包含方形平面[Cu-II(cyclam)](2+)离子和双核[Cu-2(I)(1,2-dtsq)(3)](4-)离子。在此,每个铜原子在三角平面上均由配体的S-施主原子配位。 Cu ... Cu距离为2.861(4)埃。 [参考:26]

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