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EnglishThe reaction of the promesogenic dihexadecyl-2,2¢-bipyridine-4,4¢-dicarboxylate (L16) with a number of AgX salts produces a series of silver(I) complexes [(L16)Ag(sac)], 1, [(L16)Ag(NO3)], 2, [(L16)Ag(OTf)], 3, and [(L16)3Ag2](ClO4)2, 4, whose stoichiometries, molecular architectures, supramolecular networks and mesomorphic behaviour are “anion dependent”. In spite of the large differences in the single molecular structure, the one-dimensional coordination networks involving the triflate and perchlorate in complexes 3 and 4, are the key element for inducing significant argentophilic intermolecular interactions responsible for the induction of lamello-columnar mesomorphism in both Ag(I) derivatives. Moreover, a series of Ag(I) triflate model complexes have been synthesized and in order to get more insights about their solid state architectures, systematic structural studies have been performed.
| Titolo: | Anion dependent mesomorphism in coordination networks based on 2,2 -bipyridine silver(I) complexes | |
| Autore/i: | A. Bellusci; M. Ghedini; GIORGINI, LORIS; F. Gozzo; E. I. Szerb; A. Crispini; D. Pucci | |
| Autore/i Unibo: | ||
| Anno: | 2009 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1039/b906178a | |
| Abstract: | The reaction of the promesogenic dihexadecyl-2,2¢-bipyridine-4,4¢-dicarboxylate (L16) with a number of AgX salts produces a series of silver(I) complexes [(L16)Ag(sac)], 1, [(L16)Ag(NO3)], 2, [(L16)Ag(OTf)], 3, and [(L16)3Ag2](ClO4)2, 4, whose stoichiometries, molecular architectures, supramolecular networks and mesomorphic behaviour are “anion dependent”. In spite of the large differences in the single molecular structure, the one-dimensional coordination networks involving the triflate and perchlorate in complexes 3 and 4, are the key element for inducing significant argentophilic intermolecular interactions responsible for the induction of lamello-columnar mesomorphism in both Ag(I) derivatives. Moreover, a series of Ag(I) triflate model complexes have been synthesized and in order to get more insights about their solid state architectures, systematic structural studies have been performed. | |
| Data prodotto definitivo in UGOV: | 2010-02-28 17:23:03 | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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