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Solvothermal synthesis and structural characterization of a new one-dimensional metal-organic framework [Co(Atibdc)(Dpa)] n (H2Tibdc = 5-amino-2,4,6-triiodoisophthalic acid, Dpa = 2,2′-dipyridylamine)

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Abstract

The title cobalt(II) coordination polymer, [Co(Atibdc)(Dpa)] n (I) (H2Atibdc = 5-amino-2,4,6-triiodoisophthalic acid, Dpa = 2,2′-dipyridylanine), has been synthesized under solvothermal conditions and characterized by elemental analysis, IR, and X-ray crystallography structural analysis. Complex I exhibits a one-dimensional chain structure in which 5-amino-2,4,6-triiodoisophthalate as a bridging ligand interconnects adjacent two Co(II) centers to form a helical chain structure. The asymmetric unit includes one Co(II) center, one atibdc ligand, and one Dpa ligand. Each Co(II) center is five-coordinated and surrounded by two nitrogen atoms and three oxygen atoms from one Dpa ligand and two individual Atibdc ligands, leading to distorted trigonal bipyramid geometry. Adjacent chains are further linked through hydrogen bonds, C-H-π and π-π stacking interactions to form a three-dimensional supramolecular framework.

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Authors and Affiliations

  1. College of Chemistry, Liaoning University, Shenyang, 110036, P.R. China

    Y. E. Du & Z. B. Han

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  1. Y. E. Du
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  2. Z. B. Han
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Correspondence to Z. B. Han.

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Du, Y.E., Han, Z.B. Solvothermal synthesis and structural characterization of a new one-dimensional metal-organic framework [Co(Atibdc)(Dpa)] n (H2Tibdc = 5-amino-2,4,6-triiodoisophthalic acid, Dpa = 2,2′-dipyridylamine). Russ J Coord Chem 39, 72–76 (2013). https://doi.org/10.1134/S107032841210003X

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  • DOI: https://doi.org/10.1134/S107032841210003X

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