Ionic 4,4‘-Biphenylene-Bridged Bis-ruthenium Complexes [Ru2(4,4‘-{C6H2(CH2NMe2)2-2,6}2)(terpy)2] n + (n = 2 and 4) and Their Reversible Redox Interconversion: A Molecular Switch - Steenwinkel, Pablo; Grove, David M; Veldman, Nora; Spek, Anthony L; van Koten, Gerard (Organometallics, 1998)