http://www.cnr.it/ontology/cnr/individuo/prodotto/ID329450
Vapochromic properties versus metal ion coordination of beta-bispyrazolato- copper(II) coordination polymers: a first-principles investigation (Articolo in rivista)
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- Vapochromic properties versus metal ion coordination of beta-bispyrazolato- copper(II) coordination polymers: a first-principles investigation (Articolo in rivista) (literal)
- Anno
- 2015-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/c4ce01373e (literal)
- Alternative label
Casarin, M.ab, Forrer, D.ab, Pandolfo, L.a, Pettinari, C.c, Vittadini, A.ab (2015)
Vapochromic properties versus metal ion coordination of beta-bispyrazolato- copper(II) coordination polymers: a first-principles investigation
in CrystEngComm (Camb., Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Casarin, M.ab, Forrer, D.ab, Pandolfo, L.a, Pettinari, C.c, Vittadini, A.ab (literal)
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- http://pubs.rsc.org/en/Content/ArticleLanding/2015/CE/C4CE01373E (literal)
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- 1,2,3,5 : Dipartimento di Scienze Chimiche, Università di Padova, via Marzolo 1, Padova, Italy /
1,2,5 : Istituto CNR per l'Energetica e le Interfasi (CNR-IENI), via Marzolo 1, Padova, Italy /
4 : Scuola di Farmacia, University of Camerino, Via S. Agostino 1, Camerino (MC), Italy (literal)
- Titolo
- Vapochromic properties versus metal ion coordination of beta-bispyrazolato- copper(II) coordination polymers: a first-principles investigation (literal)
- Abstract
- A series of monoadducts of the beta-bispyrazolato-copper(II) one-dimensional coordination polymer is investigated with plane-wave density functional theory-dispersive interactions (DFT-D) calculations. It was found that weak Lewis bases, such as H2O and CH3OH, prefer a symmetric bridging coordination to the Cu(II) ions, which in turn assume a highly distorted 4 + 2 octahedral configuration. Stronger Lewis bases, namely, NH3 and pyridine, prefer instead to bind to a single Cu(II) ion, which adopts a 5-fold coordination in a square-pyramidal environment. A semi-bridging coordination, corresponding to a 5 + 1 distorted octahedral Cu(II) environment, is finally predicted for molecules of intermediate Lewis basicity, such as CH3CN. The soundness of these results is corroborated by a good correlation found between the theoretical coordination number of the Cu(II) ions, the computed spin-down fundamental band gap, and the experimentally observed vapochromic effects. (literal)
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