Critical analysis of the spin-rotation constants of CF2 and CCl2: a theoretical investigation (Articolo in rivista)

Type
Label
  • Critical analysis of the spin-rotation constants of CF2 and CCl2: a theoretical investigation (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Puzzarini, C.; Coriani, S.; Rizzo, A.; Gauss, J. (2005)
    Critical analysis of the spin-rotation constants of CF2 and CCl2: a theoretical investigation
    in Chemical physics letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Puzzarini, C.; Coriani, S.; Rizzo, A.; Gauss, J. (literal)
Pagina inizio
  • 118 (literal)
Pagina fine
  • 123 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 409 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Chimica \"G. Ciamician\", Università degli Studi di Bologna, Via Selmi 2, I-40126 Bologna, Italy Dipartimento di Scienze Chimiche, Università degli Studi di Trieste, Via Licio Giorgieri 1, I-34127 Trieste, Italy Istituto per i Processi Chimico-Fisici del Consiglio Nazionale delle Ricerche, Via G. Moruzzi 1, I-56124 Pisa, Italy Institut fur Physikalische Chemie, Universitat Mainz, D-55099 Mainz, Germany (literal)
Titolo
  • Critical analysis of the spin-rotation constants of CF2 and CCl2: a theoretical investigation (literal)
Abstract
  • Quantum chemical ab initio calculations for the spin-rotation constants of difluorocarbene (CF2) and dichlorocarbene (CCl2) were carried out using coupled-cluster techniques with sequences of correlation-consistent basis sets. Theoretical best estimates were obtained using extrapolation to the complete basis-set limit and taking into account corrections for core correlation, additional diffuse functions and zero-point vibrational effects. It is demonstrated that such accurate theoretical estimates can be used either to support or to challenge the analysis of the experimental spectra and the reliability of the resulting data. (literal)
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