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首页> 外文期刊>Journal of chemical crystallography >Dinuclear Azide-Bridged Copper(II) Polymer With Azido center dot center dot center dot pi(pyridiyl) Interaction: Synthesis, Crystal Structure and Hirshfeld Surface Analysis
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Dinuclear Azide-Bridged Copper(II) Polymer With Azido center dot center dot center dot pi(pyridiyl) Interaction: Synthesis, Crystal Structure and Hirshfeld Surface Analysis

机译：Dinuclear Azide-Bridged Copper(II) Polymer With Azido center dot center dot center dot pi(pyridiyl) Interaction: Synthesis, Crystal Structure and Hirshfeld Surface Analysis

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摘要

A new coordination polymer of coper (II), [tetra-azido)tris(2-pyridyl)amine)dicopper(II)] (1) has been synthesized by the reaction between copper(II) nitrate hexahydrate, sodium azide and tris(2-pyridyl) amine under solvothermal conditions in aqueous methanol. The structure has been characterized by single-crystal X-ray diffraction. An analysis of Hirschfeld surfaces was examined. Single-crystal results reveals that the structure contains two independent copper(II) centers, both having approximately square pyramidal coordination: in one, two of the basal sites are occupied by bidentate tris-(2-pyridyl) amine and two azido ligands, with a third azido ligand at the apical site, while the other center is coordinated only by azido ligands. All azido ligands bind two copper centers, forming a coordination polymer chain with two types of Cu2N2 rings and one type of Cu4N4 ring, and in which all azido ligands form a bridge between two metal centers in mode mu-1,1. The Hirshfeld analysis revealed an azido center dot center dot center dot(pyridyl) interaction in the coordination polymer chain, as well as weak C-H center dot center dot center dot N interactions, one of which links the chains into sheets. [GRAPHICS] .

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