1967
DOI: 10.1063/1.1711919
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Fate of Triplet Difluoromethylene

Abstract: Triplet CF2 was produced by the reaction of ground-state oxygen atoms with C2F4 at room temperature. This radical can react with O2 or undergo self-annihilation to form singlet CF2: CF23+O2→CF2O2;2CF23→C2F4*→2CF21,where the superscripts 1 and 3 refer to singlet and triplet. The ratio ke/kf1/2 was estimated to be about 12 (liter/mole·sec)1/2.

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Cited by 9 publications
(3 citation statements)
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“…Triplet difluorocarbene has been produced as a reactive intermediate in several reactions including irradiation of tetrafluoroethene, reaction of oxygen with tetrafluoroethene, , and reaction of carbon atoms with tetrafluoromethane . The quenching of the triplet excited state by several small molecules has been studied …”
Section: Difluorocarbenementioning
confidence: 99%
“…Triplet difluorocarbene has been produced as a reactive intermediate in several reactions including irradiation of tetrafluoroethene, reaction of oxygen with tetrafluoroethene, , and reaction of carbon atoms with tetrafluoromethane . The quenching of the triplet excited state by several small molecules has been studied …”
Section: Difluorocarbenementioning
confidence: 99%
“…'CF, + '0, -+ [CF,O,]* -4 F,CO + 0 geschlagen[6]. Mit dieser Reaktion wurde auch die Bildung von F,CO bei der thermischen['] und photo~hemischen[~] Umsetzung von C,F, mit 0, gedeutet, doch ein experimenteller Nachweis fur (c) konnte bisher nur indirekt iiber Abfangreaktionen mit organischen Verbindungen gefuhrt werden@].Bei unseren Untersuchungen der Elementarreaktionen von CF, haben wir uns auch rnit der fur die Stratospharenchemie bedeutsamen Reaktion rnit Sauerstoff beschaftigt.…”
unclassified
“…Hexamethyldisilane, hexamethylethane, and ieri-butyl-trimethylsilane1 were photolyzed using a xenon resonance lamp (147 nm) under a variety of conditions. Each of the three compounds was photolyzed as a pure gas at its vapor pressure (approximately 10 Torr in each case) and in the presence of 10% oxygen. Additionally, hexamethylethane was photolyzed as part of a mixture (containing Oa and CF4) over the range of pressures 1-760 Torr.…”
mentioning
confidence: 99%