1. Cyclic Voltammetry Results for the Ru Complexes 1–7 .

complex	E ap	E cp(V)	E 1/2(V)	ΔE p(V)
1	1.44	1.36	1.40	0.12
2	1.44	1.30	1.37	0.14
3	1.44	1.39	1.42	0.05
4	1.39	1.32	1.35	0.07
5	1.53	1.41	1.47	0.12
6	0.86; 1.50	0.75d; 1.30	0.80; 1.40	0.06; 0.20
7	0.81; 1.12	0.72; 1.00	0.76; 1.06	0.09; 0.12

^aConditions: CH₂Cl₂, [Ru] = 1.0 × 10^–3 mol L^–1, n-Bu₄NPF₆ (0.1 mol L^–1, supporting electrolyte), Ag/AgCl in saturated KCl (reference electrode).

^b E _1/2 = (E _ap + E _cp)/2.

^cValues obtained from ref .

^dΔE _p = E _ap – E _cp.

^eCyclometalated fragment.

^fN,N fragment.