Metal complexes of fluorophosphines. 13. Reaction of fac-tris(acetonitrile)molybdenum tricarbonyl (fac-(CH3CN)3Mo(CO)3) with (methylamino)bis(difluorophosphine). X-ray crystal structure analysis of a novel binuclear molybdenum fluorophosphine carbonyl complex with a bridging chlorine atom: (CO)2Mo[.mu.-CH3N(PF2)2]2(.mu.-PF2)(.mu.-Cl)Mo(CO)(PF2NHCH3)