Vibrational Spectra of Fluorinated Aromatics. III. 1,4-Difluorobenzene

Vibrational Spectra of Fluorinated Aromatics. III. 1,4-Difluorobenzene

The infrared absorption spectra of gaseous and liquid 1,4-difluorobenzene have been obtained in the regions 2–22μ and 2–38μ, respectively, with the aid of LiF, NaCl, KBr, and KRS−5 prisms. The Raman spectrum of the liquid phase has been photographed with a three-prism glass spectrograph of linear di...

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Veröffentlicht in:Journal of Chemical Physics (U.S.) 1953-09, Vol.21 (9), p.1457-1463
Hauptverfasser: Ferguson, E. E., Hudson, R. L., Nielsen, J. Rud, Smith, D. C.
Format: Artikel
Sprache:eng
Schlagworte:
ABSORPTION
AROMATIC HYDROCARBONS
AROMATICS
BENZENE
CHEMISTRY
FLUORINATED HYDROCARBONS
FREQUENCY
GASES
INFRARED RADIATION
LIGHT
LIQUIDS
LITHIUM FLUORIDES
MATHEMATICS
MEASURED VALUES
ORGANIC FLUORINE COMPOUNDS
PHOTOGRAPHY
POLARIZATION
POTASSIUM BROMIDES
RAMAN EFFECT
RECORDING SYSTEMS
SCATTERING
SODIUM CHLORIDES
SPECTRA
SPECTROSCOPY
VIBRATIONS
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Beschreibung
Zusammenfassung:The infrared absorption spectra of gaseous and liquid 1,4-difluorobenzene have been obtained in the regions 2–22μ and 2–38μ, respectively, with the aid of LiF, NaCl, KBr, and KRS−5 prisms. The Raman spectrum of the liquid phase has been photographed with a three-prism glass spectrograph of linear dispersion 15A/mm at 4358A. Depolarization ratios have been measured for the stronger Raman bands. A complete assignment of fundamental vibration frequencies has been made, and the spectra have been interpreted in detail. The nonplanar frequencies have been calculated with the aid of force constants determined for related molecules
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1699279