A family of mononuclear CoIII/2-pyridyloximate complexes and their conversion to trinuclear, mixed-valence linear CoII/III3 clusters

Theocharis C. Stamatatos, Eugenia Katsoulakou, Aris Terzis, Catherine P. Raptopoulou, Richard E P Winpenny, Spyros P. Perlepes

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The use of the 2-pyridyl oxime ligands (LH) 2-pyridinealdoxime, methyl 2-pyridyl ketone oxime and phenyl 2-pyridyl ketone oxime in Co chemistry has been investigated and led to two families of compounds. The first family includes the mononuclear octahedral, low-spin complexes [CoIII(L)3], while the second family consists of the trinuclear, mixed-valent linear clusters [CoIII2CoII(L)6]X2 (X = ClO4-, PF6-). The latter are prepared by the reactions of the former with an appropriate CoII source. The structural, physical and spectroscopic properties of the complexes are described. © 2008 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)1638-1645
    Number of pages7
    JournalPolyhedron
    Volume28
    Issue number9-10
    DOIs
    Publication statusPublished - 22 Jun 2009

    Keywords

    • 2-Pyridyloxime ligands
    • Cobalt(III) complexes
    • Complexes as ligands strategy
    • Crystal structures
    • Mixed-valence cobalt(II/III) complexes
    • Trinuclear cobalt clusters

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