Synthesis, crystal structures, reactivity, and magnetochemistry of a series of binuclear complexes of manganese(II), -(III), and -(IV) of biological relevance. The crystal structure of [L'MnIV(.mu.-O)3MnIVL'](PF6)2.H2O containing an unprecedented short Mn.cntdot..cntdot..cntdot.Mn distance of 2.296 .ANG.
The reactivity of the {Mn2(μ-O)(μ-CH3CO2)2}2+ core. The crystal structures of [LMn(N3)3] and [L′Mn(S4)(H2O)] (L = 1,4,7-triazacyclononane, L′= N,N′,N″-trimethyl-1,4,7-triazacyclononane)