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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >The [tetra(pyridinioacetato)copper](2+) as a tridentate chelate to alkaline-eearth metal cation: Crystal structure of [Cu2Ca2(C5H5NCH2CO2)(10)(H2O)(3)](ClO4)(8)center dot H2O
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The [tetra(pyridinioacetato)copper](2+) as a tridentate chelate to alkaline-eearth metal cation: Crystal structure of [Cu2Ca2(C5H5NCH2CO2)(10)(H2O)(3)](ClO4)(8)center dot H2O

机译:[四(吡啶并丙酮乙酸)铜](2+)作为三齿螯合物与碱土金属阳离子:[Cu2Ca2(C5H5NCH2CO2)(10)(H2O)(3)](ClO4)(8)中心点H2O的晶体结构

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摘要

A tetranuclear copper-calcium complex of pyridinioacetate (C5H5N+CH2CO2-), namely [Cu2Ca2(C5H5NCH2CO2)(10)(H2O)(3)](ClO4)(8).H2O was synthesized and characterized by X-ray crystallography. The complex crystallizes in triclinic, P (1) over bar (No. 2), a = 15.658(2), b = 18.260(2), c 18.456(2) Angstrom, alpha = 91.552(2), beta = 94.004(3), gamma = 104.928(2)gammadegrees, V = 5081(1) Angstrom(3), Z = 2. In the crystal structure, a square-planar [Cu(C5H5NCH2CO2)(4)](2+) entity uses three of its four carboxylate groups to chelate to a calcium atom forming a [CuCa(C5H5NCH2CO2)(4)](4+) dinuclear subunit, and a pair of such dinuclear subunits are linked by the two remaining pyridinioacetate ligands through the calcium atoms to furnish a tetranuclear [Cu2Ca2 (C5H5NCH2CO2)(10)(H2O)(3)](8+) cation. [References: 18]
机译:吡啶碘乙酸盐(C5H5N + CH2CO2-)的四核铜-钙络合物,即[Cu2Ca2(C5H5NCH2CO2)(10)(H2O)(3)](ClO4)(8).H2O的合成和X射线晶体学表征。配合物结晶为三斜晶,P(1)超过条形(No.2),a = 15.658(2),b = 18.260(2),c 18.456(2)埃,alpha = 91.552(2),beta = 94.004( 3),γ= 104.928(2)γ度,V = 5081(1)埃(3),Z =2。在晶体结构中,使用正方形平面的[Cu(C5H5NCH2CO2)(4)](2+)实体它的四个羧酸基中的三个与钙原子螯合,形成[CuCa(C5H5NCH2CO2)(4)](4+)双核亚基,一对这样的双核亚基通过两个其余的吡啶碘乙酸酯配体通过钙原子连接至提供四核[Cu2Ca2(C5H5NCH2CO2)(10)(H2O)(3)](8+)阳离子。 [参考:18]

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