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Switching of the Electronic Communication between Two {Ru(trpy)(bpy)} (trpy = 2,2‘:6‘,2‘ ‘-Terpyridine and bpy = 2,2‘-Bipyridine) Centers by Protonation on the Bridging Dimercaptothiadiazolato Ligand

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https://figshare.com/articles/dataset/Switching_of_the_Electronic_Communication_between_Two_Ru_trpy_bpy_trpy_2_2_6_2__Terpyridine_and_bpy_2_2_Bipyridine_Centers_by_Protonation_on_the_Bridging_Dimercaptothiadiazolato_Ligand/3276034
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A stable Ru(II)/Ru(III) mixed-valence state was observed in acetonitrile for the ruthenium binuclear complex bridged by dimercaptothiadiazolate (ΔE1/2 = 220 mV for Ru2(II,II)/Ru2(II,III) and Ru2(II,III)/Ru2(III,III) processes; Kcom = 5.3 × 103). Upon protonation of the bridging ligand by the addition of equimolar p-toluenesulfonic acid, however, the mixed-valence state diminished (ΔE1/2 = 0 mV). The bridging ligand operates as a proton-induced switch of the electronic communication in the dimeric complex.
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2016-05-05
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