http://www.cnr.it/ontology/cnr/individuo/prodotto/ID48509
On the Dewar-Chatt-Duncanson Model for Catalytic Gold(I) Complexes (Articolo in rivista)
- Type
- Label
- On the Dewar-Chatt-Duncanson Model for Catalytic Gold(I) Complexes (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/chem.201000608 (literal)
- Alternative label
Salvi, Nicola; Belpassi, Leonardo; Tarantelli, Francesco (2010)
On the Dewar-Chatt-Duncanson Model for Catalytic Gold(I) Complexes
in Chemistry (Weinh., Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Salvi, Nicola; Belpassi, Leonardo; Tarantelli, Francesco (literal)
- Pagina inizio
- Pagina fine
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- Rivista
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- DOI: 10.1002/chem.201000608 (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [Salvi, Nicola; Belpassi, Leonardo; Tarantelli, Francesco] Univ Perugia, Dipartimento Chim, I-06123 Perugia, Italy.
[Salvi, Nicola; Belpassi, Leonardo; Tarantelli, Francesco] CNR, ISTM, I-06123 Perugia, Italy. (literal)
- Titolo
- On the Dewar-Chatt-Duncanson Model for Catalytic Gold(I) Complexes (literal)
- Abstract
- We provide a rigorous model-free definition and a detailed theoretical
analysis of the electron-charge displacements making up the donation
and back-donation components of the Dewar-Chatt-Duncanson model in some
realistic catalytic intermediates of formula L-Au-I-S in which L is an
N-heterocyclic carbene or Cl- and S is an eta(2)-coordinated Substrate
containing a C-C multiple bond. We thus show, contrary to a widely held
view, that the gold substrate bond is characterized by a large pi
back-donation component that is comparable to, and often as large as,
the sigma donation. The back-donation is found to be a highly tunable
bond component and we analyze its relationship with the nature of the
auxiliary ligand L and with structural (interdependent) factors such as
metal substrate bond lengths and carbon pyramidalization. (literal)
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- Autore CNR
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