A /sup 4/. sigma. /sup -/--X /sup 2/Pi transition in CF: A measurement of the term energy and bond length of a fluoromethylidyne metastable
Journal Article
·
· J. Chem. Phys.; (United States)
OSTI ID:6426494
We report the first observation of the (0,0) and (0,1) vibrational bands of the weak, spin forbidden a /sup 4/..sigma../sup -/--X /sup 2/Pi transition of the CF radical. The spectra, obtained in a flowing afterglow, yield values for T/sub 0/, B/sub 0/, and r/sub 0/ of the a /sup 4/..sigma../sup -/ state of 28 564 +- 1 cm/sup -1/, 1.3035 +- 0.002 cm/sup -1/, and 1.326 +- 0.001 A, respectively. The intensity distribution in the rotational subbands is consistent with the mixing of the a /sup 4/..sigma../sup -/ state predominantly with the X /sup 2/Pi state and the uncharacterized C /sup 2/..sigma../sup +/. This result is discussed with regard to previous calculations.
- Research Organization:
- Department of Chemistry, Chemical Physics Institute, University of Oregon, Eugene, Oregon 97403
- OSTI ID:
- 6426494
- Journal Information:
- J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 78:5; ISSN JCPSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640300* -- Atomic
Molecular & Chemical Physics
74 ATOMIC AND MOLECULAR PHYSICS
AFTERGLOW
BOND LENGTHS
CARBON COMPOUNDS
CARBON FLUORIDES
DIMENSIONS
EMISSION SPECTRA
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
LENGTH
MOLECULAR STRUCTURE
RADICALS
SPECTRA
VIBRATIONAL STATES
Molecular & Chemical Physics
74 ATOMIC AND MOLECULAR PHYSICS
AFTERGLOW
BOND LENGTHS
CARBON COMPOUNDS
CARBON FLUORIDES
DIMENSIONS
EMISSION SPECTRA
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
LENGTH
MOLECULAR STRUCTURE
RADICALS
SPECTRA
VIBRATIONAL STATES