Tris(pyrazol-1-yl)borate and tris(pyrazol-1-yl)methane: A DFT study of their different binding capability toward Ag(I) and Cu(I) cations (Articolo in rivista)

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  • Tris(pyrazol-1-yl)borate and tris(pyrazol-1-yl)methane: A DFT study of their different binding capability toward Ag(I) and Cu(I) cations (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ica.2009.02.004 (literal)
Alternative label
  • Casarin, M.; Forrer, D.; Garau, F.; Pandolfo, L.; Pettinari, C.; Vittadini, A. (2009)
    Tris(pyrazol-1-yl)borate and tris(pyrazol-1-yl)methane: A DFT study of their different binding capability toward Ag(I) and Cu(I) cations
    in Inorganica Chimica Acta (Testo stamp.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Casarin, M.; Forrer, D.; Garau, F.; Pandolfo, L.; Pettinari, C.; Vittadini, A. (literal)
Pagina inizio
  • 4358 (literal)
Pagina fine
  • 4364 (literal)
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  • 362 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [Casarin, Maurizio; Forrer, Daniel; Garau, Federica; Pandolfo, Luciano] Univ Padua, Dipartimento Sci Chim, I-35131 Padua, Italy. [Pettinari, Claudio] Dipartimento Sci Chim, I-62032 Camerino, Italy. [Casarin, Maurizio; Vittadini, Andrea] CNR, Ist Sci Mol, Padua, Italy. [Casarin, Maurizio; Forrer, Daniel; Pandolfo, Luciano; Vittadini, Andrea] Consorzio Interuniv Sci & Tecnol Mat, Florence, Italy. (literal)
Titolo
  • Tris(pyrazol-1-yl)borate and tris(pyrazol-1-yl)methane: A DFT study of their different binding capability toward Ag(I) and Cu(I) cations (literal)
Abstract
  • Density functional theory has been used to study the electronic structure of [M(tp)] and [M(tpm)](+) conformers (M = Cu, Ag; tp = tris(pyrazol-1-yl)borate anion, tpm = tris(pyrazol-1-yl) methane) and the energetics of their interconversions. Results for the free tp ligand are similar to those of tpm [M. Casarin, D. Forrer, F. Garau, L. Pandolfo, C. Pettinari, A. Vittadini, J. Phys. Chem. A 112 (2008) 6723], indicating an intrinsic instability of the tripodal conformation (kappa(3)-like). This points out that, though frequently observed, the kappa(3)-coordinative mode is unlikely to be directly achieved through the interaction of M(I) with the kappa(3)-like tp/tpm conformer. Analogously to the [M(tpm)](+) molecular ions, the energy barrier for the kappa(2)-[M(tp)] -> kappa(3)-[M(tp)] conversion is computed to be negligible. Though kappa(n)-[M(tp)] and kappa(n)-[M(tpm)](+) (n = 1, 2, 3) have similar metal-ligand covalent interactions, the negative charge associated to the tp ligand makes the M-tp bonding stronger. (literal)
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