Reduction and Protonation of Mo(IV) Imido Complexes with depe Coligands: Generation and Reactivity of a S = 1/2 Mo(III) Alkylnitrene Intermediate. Inorganic Chemistry, (52)5:2335--2352, 2013. [PUMA: complex complex;molybdenum crystal diphosphine ethylimido imido model;spectroelectrochem molybdenum nitrogenase protonation redn structure]