Electronic lability in a dinuclear cobalt-bis(dioxolene) complex

Azadeh Madadi, Masumi Itazaki, Robert W Gable, Boujemaa Moubaraki, Keith Spencer Murray, Colette Boskovic

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Remarkable electronic lability is evident from a preliminary study of a dinuclear cobalt complex with a bis(dioxolene) bridging ligand and tetraazamacrocylic ancillary ligands. Structural, magnetic, spectroscopic, and electrochemical data indicate coinciding metal- and ligand-based mixed-valence involving cobalt(II)/cobalt(III) and catecholate/semiquinonate couples. A thermally stimulated spin-crossover or valence-tautomeric transition is also observed above 200 K.
Original languageEnglish
Pages (from-to)4991-4995
Number of pages5
JournalEuropean Journal of Inorganic Chemistry
Issue number30
Publication statusPublished - 2015


  • Spin crossover
  • Valence tautomerism
  • Mixed-valent compounds
  • Redox-active ligands
  • Magnetic properties

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