Infrared spectra of molecules and materials of astrophysical interest

Details Infrared spectra of molecules and materials of astrophysical interest Infrared spectra of molecules and materials of astrophysical interest

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976scuc.rept.....d&link_type=abstract

Quarterly Progress Report, 15 Mar. - 15 Jun. 1976 South Carolina Univ., Columbia.

Astronomy and Astrophysics

Astrophysics

Astrophysics, Infrared Spectra, Molecules, Chemistry, Jupiter (Planet), Jupiter Atmosphere, Molecular Energy Levels, Vibrational Spectra

Scientific paper

The vibrational spectra from 4,000 to 33/cm of several molecules which may be present in the atmosphere of the Jovian planets or exist in outer space were studied. These studies have been made to provide vibrational frequencies which can be used to: (1) determine the composition of the cloud covers of several of the planets, (2) provide structural information under favorable circumstances, (3) provide necessary data from which accurate thermodynamic data can be calculated, and (4) furnish information as to the nature of the potential energy function of the molecules and forces acting within them. Some of the molecules studied can be produced photochemically from methane, ammonia, and hydrogen sulfide which are thought to be constituents of the planets with reducing atmospheres. Some of the compounds will polymerize under ultraviolet radiation and drop out of the atmospheres. However, planets with a hot base, like that of Jupiter, may rebuild molecules destroyed photochemically. These criteria were used in selecting the compounds under study.

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