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Influence of Sequential Nitrogen Substitution on the Redox Properties of Bis(thiazolylidene)hydrazine and on the Charge Transfer of TCNQ Complexes

✍ Scribed by David Guerin; Dominique Lorcy; Roger Carlier; Szymon Los; Lidia Piekara-Sady

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
285 KB
Volume
168
Category
Article
ISSN
0022-4596

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✦ Synopsis

Various extended p-donor molecules incorporating an azino spacer between two heterocyclic moieties, either dithiole or thiazole rings, are described. As evidenced by cyclic voltammetric studies, the donor ability of these derivatives can be modulated depending on the nature of the two heterocycles. Three similar crystalline complexes were obtained with TCNQ and the donors 4, 7 and 8. Crystal structures and magnetic susceptibility data of these complexes are presented and the degree of charge transfer within these complexes has been correlated with the redox properties. # 2002 Elsevier Science (USA)

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Since the discovery [1] of the first organic metal in 1973, much attention has been devoted to the investigation of TTF, its derivatives, and analogues as electron-donor components for many charge-transfer (CT) complexes and ion-radical salts. [2] A proposed model of a unimolecular rectifier [3] inv