Inorganic Chemistry · 2013 · 57 citations · 41 references
Materials ScienceInorganic ChemistryChemical EngineeringDπ OrbitalsRuthenium UnitEngineeringTheoretical Inorganic ChemistryCoordination ComplexRemote MoietiesOrganometallic ElectrochemistryMolecular ComplexChemistryRemote Ruthenium UnitsInorganic SynthesisElectrochemistryInorganic Compound
In this article, we report the structural, spectroscopic, and electrochemical properties of the cyanide-bridged complex salts trans-[(NC)Ru(II)(L)4(μ-CN)Ru(II)(py)4Cl]PF6 and trans-[Ru(II)(L)4{(μ-CN)Ru(II)(py)4Cl}2](PF6)2 (L = pyridine or 4-methoxypyridine). The mixed-valence forms of these compounds show a variety of metal-to-metal charge-transfer bands, including one arising from charge transfer between the remote ruthenium units. The latter is more intense when L = 4-methoxypyridine and points to the role of the bridging ruthenium unit in promoting mixing between the dπ orbitals of the terminal fragments.
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