Induced internal electron transfer reactivity of tetrathioperrhenate(VII): synthesis of the interconvertible dimers Re2(μ-S)2(S2CNR2)4 and {Re2(μ-SS2CNR2)2(S2CNR2)3}{O3SCF3} (R = Me, i-Bu) - Wei, L.; Halbert, T. R.; Murray, H. H. (Journal of the American Chemical Society, 1990)