The conjugative bridging of organometallic reaction centers in heterodinuclear complexes (OC)3ClRe(m-L)MCl(C5Me5)+, M = Rh or Ir - Spectroscopic consequences of reductive activation. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)12:1883--1893, 2004. [PUMA: UV ESR arom prepn;redn conjugated heterobinuclear nitrogen IR electrochem sandwich heterocyclic ligand;rhodium pyrimidine tetrazole chelate;rhenium complex;spectroelectrochem rhenium half chelate complex bis prepn;pyrazine iridium compd chelate;redox bridged rhodium potential]