Abstract

The recent successful experiments involving the production and chemical reactions of simple free radicals suspended in matrices at cryogenic temperatures are reviewed. Infrared spectral observations on the radicals HCO, NH, NF, NCl, NBr, and HO₂ are summarized. Reactions of H atoms and O atoms and of the isoelectronic species CH₂ and NH with simple molecules suspended in a matrix are discussed, indicating some of the more promising lines of current research.

© 1964 Optical Society of America

Infrared Transmittance of Optical Materials at Low Temperatures

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Spectroscopic Research on the Major Planets

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