Hostname: page-component-848d4c4894-8bljj Total loading time: 0 Render date: 2024-07-05T16:20:01.636Z Has data issue: false hasContentIssue false

Ultraviolet Photochemistry of Some Frozen Gases

Published online by Cambridge University Press:  08 February 2017

Warren E. Thompson*
Affiliation:
Case Institute of Technology, Cleveland, Ohio

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Here Seems to be Agreement that laboratory studies are necessary in the pursuit of a better understanding of the interstellar medium. Herein is described some experiments performed on the effects of far ultraviolet radiation on molecules containing the astronomically abundant atoms H, O, C, and N. In particular, the attempts that have been made to prepare, isolate, and identify various free radicals and other reactive species, some of which may play a role in the processes occurring in the interstellar medium, are discussed.

In one of the studies, a frozen film of pure carbon dioxide at 77° K was irradiated with the light from a low pressure xenon discharge lamp equipped with a LiF window. This lamp is activated by radio-frequency radiation, and the emitted light is rich in the 1470-Å resonance line of xenon.

Type
Research Article
Copyright
Copyright © Kluwer Academic Publishers 1965

References

References

1. Milligan, D. E.; Jacox, M. E.; Comeford, J. J.; and Mann, D. E.: Infrared Spectrum of the Free Radical NCN. J. Chem. Phys., vol. 43, 1965, pp. 756757.CrossRefGoogle Scholar
2. Jacox, M. E.; Milligan, D. E.; Moll, N. G.; and Thompson, W. E.: Matrix-Isolation Infrared Spectrum of the Free Radical CCO. J. Chem. Phys., vol. 43, 1965, pp. 37343746.CrossRefGoogle Scholar
3. Milligan, D. D.; Jacox, M. E.; and Bass, A. M.; Matrix Isolation Study of the Photolysis of Cyanogen Oxide. The Infrared and Ultraviolet Spectra of the Free Radical NCN. J. Chem. Phys., vol. 43, 1965, p. 3149.10.1063/1.1697289CrossRefGoogle Scholar
4. Moll, N. C.; and Thompson, W. E.: Reactions of Carbon Atoms with N2, H2, and D2 at 4.2° K. J. Chem. Phys., vol. 44, 1966, p. 2684.10.1063/1.1727111CrossRefGoogle Scholar
5. Moll, N. G.; Clutter, D. R.; and Thompson, W. E.: Carbon Trioxide: Its Production, Infrared Spectrum, and Structure Studied in a Matrix of Solid CO2 . J. Chem. Phys., vol. 45, 1966, pp. 44694481.10.1063/1.1727526CrossRefGoogle Scholar