有機多座配位子の単核および少数核マンガン錯体

概要

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The crystal structures of manganese complexes with tridentate, tetradentate, pentadentate, hexadentate, and dodecadentate ligands with oxygen and nitrogen donors are described. Reactions of these ligands with manganese salts afforded mononuclear (MnII, MnIII, and MnIV), dinuclear (MnII2, MnIII2, and MnIIMnIII), trinuclear (MnIII3), and tetranuclear (MnII2MnIII2 and MnIII4) complexes. As for MnII complexes, octahedral, trigonal prismatic, capped trigonal prismatic, and square antiprismatic geometries were found depending on the combination of the organic and anionic ligands. In the case of MnIII complexes, the Jahn-Teller distortions due to the high-spin d4 electronic configuration were observed as elongated or compressed octahedral geometries. An octahedral geometry was confirmed for the Mn (IV) complexes.