Antolini, Luciano and Minghetti, Giovanni and Mucci, Adele and Parenti, Francesca and Pigani, Laura and Sanna, Gavino and Seeber, Renato and Zanardi, Chiara (2005) Palladium(II) derivatives of alkylsulfanyl substituted thiophenes as precursors of inorganic polymers: spectroscopic, electrochemical investigations and X-ray crystal structure of trans-PdCl2[3-(butylsulfanyl)thiophene]2. Inorganica Chimica Acta, Vol. 358 (11), p. 3033-3040. ISSN 0020-1693. Article.
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Palladium(II) complexes with two thiophene derivatives bearing alkylsulfanyl chains, i.e., 3-(n-butylsulfanyl)thiophene and 4,4′-bis(n-butylsulfanyl)-2,2′-bithiophene, are synthesised and spectroscopically and electrochemically characterised. The molecular structure of PdCl2[3-(n-butylsulfanyl)thiophene]2 was determined by X-ray analysis. The properties of the complexes have been compared with those of PdCl2[3,3′-bis(n-butylsulfanyl)-2,2′-bithiophene] and of a conductive polymer partially coordinated with Pd(II), previously synthesised by us. We found that Pd(II) ions can coordinate sulfanyl sulfur atoms both in cis and trans configuration, leading to a reticulate material, where some kind of interchain bridging may be reasonably supposed to enhance the bulk conductivity.
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