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    Synthesis and structure of metal complexes containing zwitterionic N-hydroxyimidazole ligands


    Abuskhuna, Suaad and McCann, Malachy and Briody, John and Devereux, Michael and Kavanagh, Kevin and Kayal, Nijhuma and McKee, Vickie (2007) Synthesis and structure of metal complexes containing zwitterionic N-hydroxyimidazole ligands. Polyhedron, 26 (15). pp. 4573-4580. ISSN 0277-5387

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    Abstract

    Cu(II) and Zn(II) complexes of N-hydroxyimidazoles were synthesised by reacting simple metal perchlorate salts with the imidazole ligand in alcohol and formulated with a metal:ligand ratio of 1:2. The X-ray crystal structures of five complexes (four Cu(II) and one Zn(II)) were obtained and each showed the two trans, N-hydroxyimidazole ligands forming six-membered, chelate rings with the metal. Both of the NO chelating, neutral N-hydroxyimidazole ligands are in the zwitterion form, with the uncoordinated imidazole imine N atom being protonated and the oxime O atom deprotonated. In the solid state the complexes form hydrogen-bonded supramolecular structures.

    Item Type: Article
    Keywords: N-hydroxyimidazole; Metal complex; Zwitterion; X-ray structure; Supramolecular;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 7569
    Identification Number: https://doi.org/10.1016/j.poly.2007.06.034
    Depositing User: Dr. Kevin Kavanagh
    Date Deposited: 24 Oct 2016 16:51
    Journal or Publication Title: Polyhedron
    Publisher: Elsevier
    Refereed: Yes
    URI:

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