Heterobimetallic compounds [Ru('n POT.5'-Cp)(dppf)X] (X = Cl, Br, I and 'N POT.3'): synthesis, electrochemical analysis, and the crystal strucutre of [Ru('n POT.5'-Cp)(dppf)I] [dppf = 1,1´-bis-(diphenylphosphino)ferrocene] - Paim, Lilian A.; Batista, Alzir A.; Dias, Fabrícia M.; Golfeto, Camila C.; Ellena, Javier; Siebald, Helmut G. L.; Ardisson, José Domingos (Transition Metal Chemistry, 2009)