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Title: Laboratory evidence for a key intermediate in the Venus atmosphere : peroxychloroformyl radical
Authors: Pernice, Holger
Garcia, Placido
Willner, Helge
Francisco, Joseph S.
Mills, Franklin P.
Allen, Mark
Yung, Yuk L.
Keywords: molecular oxygen
planetary atmospheres
Issue Date: 28-Sep-2004
Publisher: The National Academy of Sciences of the United States Of America
Citation: Proceedings of The National Academy of Sciences of the United States Of America, September 28, 2004, Vol. 101, No. 39; 14007–14010,
Abstract: For two decades, the peroxychloroformyl radical, ClC(O)OO, has played a central role in models of the chemical stability of the Venus atmosphere. No confirmation, however, has been possible in the absence of laboratory measurements for ClC(O)OO. We report the isolation of ClC(O)OO in a cryogenic matrix and its infrared and ultraviolet spectral signatures. These experiments show that ClC(O)OO is thermally and photolytically stable in the Venus atmosphere. These experimental discoveries validate the existence of ClC(O)OO, confirm several longstanding model assumptions, and provide a basis for the astronomical search for this important radical species.
Appears in Collections:JPL TRS 1992+

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