Table 11.
Redox potentials for polynuclear complexes in acetonitrile vs. SCE [171].
| Complex | Oxidation, V vs. SCE | Reduction, V vs. SCE |
|---|---|---|
| [HAT{Ru[2,3-dpp)Ru(bpy)2]2}3]18+ | +1.53(6) +2.13 a | −0.56 −0.68 b |
| [Cl2Ru{(2,3-dpp)Ru(bpy)2}2]4+ | +0.82(1) +1.57(2) | −0.72(1) −0.88(1) |
| [HAT{Ru(bpy)2}3]6+ | +1.61(1) +1.87(1) +2.12(1) | −0.25(1) −0.58(1) |
| [Ru{(2,3-dpp)Ru(bpy)2}3]8+ | +1.53(3) | −0.56(1) −0.63(1) |
| [Ru{(2,3-dpp)Ru[(µ-2,3-dpp)Ru(bpy)2]2}3]20+ | +1.53(6) +2.11 +2.44(3) c |
a The number of electrons has not been defined, b Both reductions involve approximately three electrons each, c Second and third processes are recorded in liquid SO2 [175].