Recent advances in the coordination chemistry of hydroxo-bridged complexes of chromium(III)

•The reactivity of hydroxo/oxo-bridged chromium(III) complexes is discussed.•The influence of the terminal ligands on the magnetic exchange coupling is described.•The structures of the polynuclear chromium(III) aqua ions are presented.

A review of the advances since 1988 of the chemistry of hydroxo-bridged chromium(III) complexes will be presented. The structures of novel hydroxo- and oxo-bridged complexes will be described along with their optical and magnetic properties. The thermodynamics and kinetics of hydroxo bridge formation and cleavage and of other reactions will be discussed. The results of theoretical calculations of the optical and magnetic properties of the complexes are included.

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