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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Synthesis and crystal structure of a two-dimensional CoII coordination polymer: poly(#956;3-3-carb#173;oxy#173;benzoato)#956;2-5-(pyridin-4-yl)-1H,2#8242;H-3,3#8242;-bi1,2,4-triazolecobalt(II)
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Synthesis and crystal structure of a two-dimensional CoII coordination polymer: poly(#956;3-3-carb#173;oxy#173;benzoato)#956;2-5-(pyridin-4-yl)-1H,2#8242;H-3,3#8242;-bi1,2,4-triazolecobalt(II)

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摘要

In the title compound, Co(C8H5O4)(C9H6N7)n, the divalent CoII atom is six-coordinated to three N atoms from two symmetrical 5-(pyridin-4-yl)-1H,2#8242;H-3,3#8242;-bi1,2,4-triazole (H2pyttz) ligands and three O atoms from three symmetrical 3-carb#173;oxy#173;benzoate (Hbdic) ligands, leading to a distorted {CoN3O3} octa#173;hedral coordination environment. Two CoII cations are linked by four bridging carboxyl#173;ate groups to generate a dinuclear Co2(CO2)4 unit. The dinuclear units are further connected into a chain along 010 via the Hbdic ligands. The other infinite chain, along 100, is formed through the H2pyttz ligands. Finally, the two kinds of chains are cross-linked, by sharing the CoII cations, into a two-dimensional network. In the crystal, adjacent layers are further linked by O#8212;H#8943;N hydrogen bonds into a three-dimensional framework.

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