2000, 39, 189). For [(R-Fcpy)Ru(NH3)5]2+ and [(et-Fcpy)Ru(NH3)4(py)]2+ (Ru(NH3)4 = trans-tetraam(m)ineruthenium; py = pyridine) in various solvents, the E1/2(RuIII/II) of rutheniumam(m)ine typically was less than the E1/2(FeIII/II) of the ferrocenyl moiety. However, the low-donicity solvents resulted in relatively large values of E1/2(RuIII/II) for [(et-Fcpy)Ru(NH3)4(py)]2+/3+/4+. Under our unique solvent
所述intervalence能量之间(的关系Ë IT)和自由能差(Δ G ^),该氧化还原异构体(Fe的最小值之间存在II -Ru III /
铁III -Ru II)关于各种双核配合物[(R-Fcpy)检查了Ru(NH 3)5 ] 2 + / 3 +(R = H,乙基,Br,乙酰基; Fcpy =(4-
吡啶基)
二茂铁基; Ru(NH 3)5 =五
氨基(间)
钌。在各种溶剂中,配合物的ΔG的变化归因于溶剂给度和取代基的影响。间隔能量与ΔG,Δģ ≈ ˚F Δ ë 1/2(Δ Ë 1/2 = È 1/2(
铁III / II) - ë 1/2(RU III / II))中,在各种溶剂中的络合物曲线提供一个核
重组能的≈6000厘米(λ)-1(Chen等。Inorg。
化学式2000,39,189)。对于[(R-Fcpy)Ru(NH 3)5 ] 2+和[(et-Fcpy)Ru(NH 3)4(py)] 2+(Ru(NH