Copper(I/II) complexes of a bis(tetrathiafulvalene)-2,2'-bipyridine: synthesis, characterization, magnetic and electrochemical properties

Dalton Transactions : an International Journal of Inorganic Chemistry
Thomas DevicNarcis Avarvari

Abstract

The coordination ability of the electroactive TTF-based chelating ligand 5,5'-bis(4,5-bis(thiomethyl)-4'-carbamoyltetrathiafulvalene)-2,2'-bipyridine (L) has been tested with Cu(I) and Cu(II) centres. [(L)2Cu(I)](PF6), [(L)2Cu(II)](OTf)2 and [(L)Cu(II)(DMF)3](OTf)2 have been synthesized. A single-crystal X-ray analysis was performed on [(L)Cu(II)(DMF)3](OTf)2, showing a distorted octahedral geometry around the Cu(II) centre, and the formation of dimeric units in the solid state through weak coordination in apical position of an amide oxygen atom from a neighbouring complex. Magnetic data show that the paramagnetic metallic centres are isolated, in agreement with the solid-state structure. Electrochemical measurements were performed on the three complexes and in all cases the Cu(I)/Cu(II) and TTF/TTF+*/TTF2+ redox processes were observed.

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Citations

Sep 4, 2008·Dalton Transactions : an International Journal of Inorganic Chemistry·Aurélien HameauNarcis Avarvari
Apr 15, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Keri L McCallNeil Robertson
Oct 20, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Michael Shatruk, Lipika Ray
May 30, 2007·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Christine GozeSilvio Decurtins
Nov 30, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Masayuki NiheiHiroki Oshio
Dec 5, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Fabrice PointillartLahcène Ouahab
Mar 28, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Ryota OkunoHideki Fujiwara
Apr 14, 2009·Inorganic Chemistry·Fabrice PointillartLahcène Ouahab

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