Electronic structure of heterodinuclear complexes (bpy)2RuII(m-bpym)MLn; bpy = 2,2'-bipyridine; bpym = 2,2'-bipyrimidine; MLn = Cu(PPh3)2, Mo(CO)4, Re(CO)3Cl. Inorganica Chimica Acta, (181)1:15--21, 1991. [PUMA: ESR bipyridine bipyrimidine complex complex;copper complex;molybdenum complex;redox complex;ruthenium electrochem heterobinuclear heterobinuclear;rhenium heterodinuclear metal ruthenium transition]