Pyrimidine and halogenated pyrimidines near edge x-ray absorption fine structure spectra at C and N K-edges: experiment and theory (Articolo in rivista)

Type
Label
  • Pyrimidine and halogenated pyrimidines near edge x-ray absorption fine structure spectra at C and N K-edges: experiment and theory (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bolognesi P., O’Keeffe P., Ovcharenko Y., Coreno M., Avaldi L., V. Feyer V., Plekan O., Prince K. C., Zhang W., Carravetta V. (2010)
    Pyrimidine and halogenated pyrimidines near edge x-ray absorption fine structure spectra at C and N K-edges: experiment and theory
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bolognesi P., O’Keeffe P., Ovcharenko Y., Coreno M., Avaldi L., V. Feyer V., Plekan O., Prince K. C., Zhang W., Carravetta V. (literal)
Pagina inizio
  • 34302 (literal)
Pagina fine
  • 34311 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 133 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IMIP, Area della Ricerca di Roma 1, Monterotondo Scalo 00016, Italy Sincrotrone Trieste, Area Science Park, 3402 Basovizza (Trieste), Italy CNR-IPCF, Area della Ricerca di Pisa, via Moruzzi 1, 56124 Pisa, Italy (literal)
Titolo
  • Pyrimidine and halogenated pyrimidines near edge x-ray absorption fine structure spectra at C and N K-edges: experiment and theory (literal)
Abstract
  • The inner shell excitation of pyrimidine and some halogenated pyrimidines near the C and N K-edges has been investigated experimentally by near edge x-ray absorption fine structure spectroscopy and theoretically by density functional theory calculations. The selected targets, 5-Br-pyrimidine, 2-Br-pyrimidine, 2-Cl-pyrimidine, and 5-Br-2-Cl-pyrimidine, allow the effects of the functionalization of the pyrimidine ring to be studied either as a function of different halogen atoms bound to the same molecular site or as a function of the same halogen atom bound to different molecular sites. The results show that the individual characteristics of the different spectra of the substituted pyrimidines can be rationalized in terms of variations in electronic and geometrical structures of the molecule depending on the localization and the electronegativity of the substituent. (literal)
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