High-spin wheel of a heptanuclear mixed-valent FeII,III complex

Hiroki Oshio, Norihisa Hoshino, Tasuku Ito, Motohiro Nakano, Franz Renz, Philipp Gütlich

    Research output: Contribution to journalArticlepeer-review

    98 Citations (Scopus)

    Abstract

    Wheels with high spins: The reaction of a tridentate Schiff base ligand with iron (II) chloride, and subsequent oxidation with [(tBu4N) MnO4] yielded a heptanuclear mixed-valent iron wheel (see picture) with a spin ground state of S = 29/2. Cornering the 13th vertex: The first 13-vertex carborane (see picture, B: brown, C: gray, H: white) has been prepared by a methodology that can in principle be applied repeatedly, leading to 14-, 15-, 16-, ... vertex carboranes in the future. The 13-vertex species has a henicosahedral geometry, not the docosahedral one expected, but the two forms are found to be very close in energy by DFT calculations.

    Original languageEnglish
    Pages (from-to)223-225
    Number of pages3
    JournalAngewandte Chemie - International Edition
    Volume42
    Issue number2
    DOIs
    Publication statusPublished - 2003 Jan 13

    Keywords

    • Cluster compounds
    • High-spin molecules
    • Iron
    • Magnetic properties
    • Mixed-valent compounds

    ASJC Scopus subject areas

    • Catalysis
    • Chemistry(all)

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