Metal to ligand charge-transfer photochemistry of metal-metal-bonded complexes. 12. The primary photoprocess of (CO)(sub 5)ReMn(CO)(sub 3)(alpha-diimine) complexes studied by temperature- and pressure-dependent photochemistry and pico- and nanosecond flash photolysis

Time-resolved UV-vis absorption spectroscopy and nano-second flash photolysis analyze the photoreactions of three (CO)(5)ReMn(CO)(3) (alpha-diimine) complexes at different temperatures and pressures. Primary photoprocess in the metal-to-ligand charge-transfer excitation of these complexes is a fast CO dissociation from Mn center. High reactivities of these complexes are due to an available Mn coordination site and a weak Re-M bond.