title: [PdS2C2(COOMe)2](6n) (n = 0, -1, -2, -3, -4): hexanuclear homoleptic palladium dithiolene complexes.
abstract: Reaction of a stoichiometric equivalent of the zinc-dithiolene complex, (tmeda)ZnS2C2(COOMe)2 (tmeda = tetramethylethylenediamine), with (MeCN)2PdCl2 results in a 1:1 homoleptic dithiolene that forms the hexanuclear cluster [PdS2C2(COOMe)2]6 (1). X-ray structure analysis of 1 indicates a Pd6S12 core comprised of six face-centered palladium atoms and 12 edge-centered sulfur atoms situated on an imaginary approximate cube. Complex 1 undergoes four distinct and reversible one-electron redox steps in dichloromethane at -186, -484, -1174, and -1524 mV versus a standard calomel electrode (ferrocenium+/ferrocene redox couple 409 mV). The two-electron reduction product of 1, [Bu4N]2[(PdS2C2(COOMe)2)6] (2), has been chemically isolated and characterized.
authors.affiliation: ExxonMobil Research and Engineering Company, 1545 Route 22 East, Annandale, New Jersey 08801, USA.
authors.forename: Colin L
authors.initials: CL
authors.lastname: Beswick
authors.forename: Raquel
authors.initials: R
authors.lastname: Terroba
authors.forename: Mark A
authors.initials: MA
authors.lastname: Greaney
authors.forename: Edward I
authors.initials: EI
authors.lastname: Stiefel