Physics – Chemical Physics
Scientific paper
Aug 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jchph..67.1247b&link_type=abstract
Journal of Chemical Physics, vol. 67, Aug. 1, 1977, p. 1247-1256.
Physics
Chemical Physics
2
Ammonium Compounds, Infrared Spectra, Jupiter Atmosphere, Lattice Vibrations, Vibrational Spectra, Astronomical Spectroscopy, Chemical Bonds, Hydrogen Sulfide, Planetary Composition, Raman Spectra, Spectroscopic Analysis, Phonon States And Bands, Normal Modes, And Phonon Dispersion
Scientific paper
The infrared spectra of alkali metal and ammonium hydrosulfides have been recorded from wavenumbers of 200 to 4000 at liquid nitrogen temperatures, and the Raman spectra of these substances have been recorded from wavenumbers of 0 to 4000 over the temperature range 83-390 K. No evidence of a second solid phase was obtained. Internal and external fundamentals were assigned, in detail, based on selection rules, isotopic frequency shifts, and analogy with structurally similar salts. Barriers to anion and cation reorientation of 3.8 and 1.9 kcal/mole, respectively, have been calculated from librational assignments. The implications of the infrared spectrum of ammonium hydrosulfide for the possible spectroscopic detection of this substance in the atmosphere of the planet Jupiter are discussed.
Bragin J.
Chang Sandy
Diem Marcus
Guthals D.
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