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Kobayashi, Kaori; Saito, Shuji

The microwave spectrum of the NF radical in the second electronically excited (b 1Σ+) state: Potentials of three low-lying states (X 3Σ−,a 1Δ,b 1Σ+)

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  • Medientyp: E-Artikel
  • Titel: The microwave spectrum of the NF radical in the second electronically excited (b 1Σ+) state: Potentials of three low-lying states (X 3Σ−,a 1Δ,b 1Σ+)
  • Beteiligte: Kobayashi, Kaori; Saito, Shuji
  • Erschienen: AIP Publishing, 1998
  • Erschienen in: The Journal of Chemical Physics
  • Sprache: Englisch
  • DOI: 10.1063/1.476075
  • ISSN: 0021-9606; 1089-7690
  • Schlagwörter: Physical and Theoretical Chemistry ; General Physics and Astronomy
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>The pure rotational transition of the NF radical in the second electronically excited state, b 1Σ+, was detected by microwave spectroscopy. The NF radical was generated by dc-discharge through a mixture of NF3 and H2 at around 90 K. Six rotational transitions for v=0 and four for v=1 were observed in the 73–442 GHz region. In addition to the rotational and centrifugal distortion constants, the quadrupole coupling constant of the nitrogen nucleus of NF(b 1Σ+) was determined for the first time from the lowest two transitions of NF in the v=0 level. The spectrum of NF(a 1Δ) in the first vibrational excited state was also observed in order to derive highly accurate potential parameters for comparison with the data of NF(X 3Σ−,b 1Σ+).</jats:p>