Synthesis, Structure, and Preliminary Magnetic Studies of a Cluster Polymer with a Hexacopper(II) Barrel Portion

DOI PDF 参考文献39件
  • Li-Yan Wang
    Graduate School of Science and Technology, Niigata University8050 Ikarashi Nino-cho, Niigata
  • Satoshi Igarashi
    Graduate School of Science and Technology, Niigata University8050 Ikarashi Nino-cho, Niigata
  • Yasuhiko Yukawa
    Department of Environmental Science, Faculty of Science, Niigata University8050 Ikarashi Nino-cho, Niigata
  • Takeshi Hashimoto
    Department of Chemistry, Faculty of Science and Technology, Sophia University7-1 Kioi-cho, Chiyoda-ku, Tokyo
  • Kunio Shimizu
    Department of Chemistry, Faculty of Science and Technology, Sophia University7-1 Kioi-cho, Chiyoda-ku, Tokyo
  • Yoshimasa Hoshino
    Department of Chemistry, Faculty of Education, Nagasaki University1-14 Bunkyo-machi, Nagasaki
  • Andrew Harrison
    Department of Chemistry, The University of EdinburghWest Mains Road, Edinburgh, EH9 3JJ, United Kingdom
  • Guillem Aromí
    Department of Chemistry, The University of ManchesterOxford Road, Manchester, M13 9PL, United Kingdom
  • Richard E P Winpenny
    Department of Chemistry, The University of ManchesterOxford Road, Manchester, M13 9PL, United Kingdom

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<jats:title>Abstract</jats:title> <jats:p>The synthesis and characterization of a new cluster polymer with a sodium centered hexacopper(II) barrel portion, catena-[Na⊂Cu2{Cu(hpro)2}4(ClO4)4](ClO4)·4H2O (hpro = 4-hydroxy-l-prolinato) are described. The central sodium ion in the barrel portion is surrounded by eight carboxylate oxygen atoms from hpro ligands, which link the central metal to the copper atoms of four [Cu(hpro)2] units. These units are in turn connected to two further apical CuII centers. The central alkali ion is therefore octahedrally surrounded by six copper atoms. The hydroxyl oxygen atoms of two hpro groups are coordinated to the axial copper atoms of two neighboring barrel portions, so that a chain complex forms. Magnetic studies indicate weak ferromagnetic coupling between copper(II) ions within the complex leading to a high spin multiplicity in the ground state.</jats:p>

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  • Chemistry Letters

    Chemistry Letters 32 (2), 202-203, 2003-01-28

    Oxford University Press (OUP)

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