in hexane Irradiation (UV/VIS); further products: Fe3(CO)8(PMe2Ph)(μ3-S)2 12percent, WFe2(CO)9(PMe2Ph)(μ3-S)2 7percent; under dry N2, photolyzed under continuous purge of N2 for 25 min; evapn., soln. (hexane), chromy. (TLC, hexane);