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Chemiluminescent reactions of sulfur /3P2/ atoms in cryogenic matrices - S + O2 yields SO2 /a3 B1/Results are reported for thermoluminescence studies of reactions of sulfur atoms in cryogenically deposited solid argon through in situ photolysis of OCS. Analysis of the thermoluminescence spectrum that resulted from photolysis and heating of matrices in which O2 was codeposited with an OCS/Ar mixture shows that the emitter contained oxygen derived from the added O2 and that little SO2 accumulated during photolysis. The observed absence of thermoluminescence or fluorescence in either of the allowed transitions of excited SO2 is taken as definitive evidence that ground-state sulfur atoms can insert into the oxygen molecule with effectively zero activation energy.
Document ID
19770043377
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Long, S. R.
(California Univ. Berkeley, CA, United States)
Pimentel, G. C.
(California, University Berkeley, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
March 1, 1977
Publication Information
Publication: Journal of Chemical Physics
Volume: 66
Subject Category
Inorganic And Physical Chemistry
Accession Number
77A26229
Funding Number(s)
CONTRACT_GRANT: NGL-05-033-286
Distribution Limits
Public
Copyright
Other

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