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Polynuclear Cu4L4 Copper(II) Aminyl Radical Coordination Complexes

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journal contribution
posted on 25.04.2018 by Nico M. Bonanno, Alan J. Lough, Martin T. Lemaire
We describe the structural features and magnetic properties of two polynuclear copper­(II) complexes containing a redox-active ligand. These neutral complexes each bear the formula RL4Cu4 (R = tBu, Me) with the ligand in a dianion-aminyl radical oxidation state. X-ray data and density functional theory calculations support an aminyl-type radical character in these complexes, making these the first polynuclear metal aminyl radical complexes.