Valence Interconversion of Octahedral Nickel(II/III/IV) Centers.
Masahiro KounoNobuto YoshinariNaoto KuwamuraKohei YamagamiAkira SekiyamaMitsutaka OkumuraTakumi KonnoPublished in: Angewandte Chemie (International ed. in English) (2017)
Three oxidation states (+2, +3, +4) of an octahedral nickel center were stabilized in a newly prepared RhNiRh trinuclear complex, [Ni{Rh(apt)3 }2 ]n+ (apt=3- aminopropanethiolate), in which the nickel center was bound by six thiolato donors sourced from two redox-inert fac-[RhIII (apt)3 ] octahedral units. The three oxidation states of the octahedral nickel center were fully characterized by single-crystal X-ray crystallography, as well as spectroscopic, electrochemical, and magnetic measurements; all three were interconvertible, and the conversion was accompanied by changes in color, magnetism, and Jahn-Teller distortion.
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