http://www.cnr.it/ontology/cnr/individuo/prodotto/ID307577
Anion binding to a tetracopper resorcinarene-based complex (Articolo in rivista)
- Type
- Label
- Anion binding to a tetracopper resorcinarene-based complex (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1080/10610278.2012.738297 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Arena G.; Bonomo R.P.; Vagliasindi L.I.; Zito V.; Lamb J.D.; Harrison R.G. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.scopus.com/inward/record.url?eid=2-s2.0-84874461222&partnerID=q2rCbXpz (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy; Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, 84602, United States (literal)
- Titolo
- Anion binding to a tetracopper resorcinarene-based complex (literal)
- Abstract
- UV-vis and electron paramagnetic resonance (EPR) spectroscopic studies have been carried out on the multinuclear
copper(II) complex Cu4BpaRes. The copper atoms are in a tetragonal distorted geometry with nitrogens from
bispicolylamine (Bpa) coordinating in the equatorial plane and water molecules or anions completing four coordination
sites. The interaction of anions with this polynuclear copper complex in aqueous solution supports the formation of different
complex species, which depend on the type and the concentration of the anions. In the presence of excess anions, frozen
solution EPR parameters show the formation of species in which the in-plane coordination is characterised by the presence
of three nitrogen atoms coming from the ligand and a donor atom from the specific anion. For the bidentate anion ligands and
especially for malonate, UV-vis titrations indicate the formation of a 1:4 (Cu4BpaRes:anion) species. EPR experiments
support the formation of such a species and indicate that the four copper centres are equivalent and reach penta-coordination
via the coordination of both oxygens from the bidentate ligand. (literal)
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