Rates of OH radical reactions. 5. Reactions with CH/sub 3/F, CH/sub 2/F/sub 2/, CHF/sub 3/, CH/sub 3/CH/sub 2/F, and Ch/sub 3/CHF/sub 2/ at 297 K
Journal Article
·
· J. Phys. Chem.; (United States)
Absolute rate constants for the reactions of hydroxyl radicals with CH/sub 3/F, CH/sub 2/F/sub 2/, CHF/sub 3/, CH/sub 3/CH/sub 2/F, and CH/sub 3/CHF/sub 2/ at 297 +- 2 K have been measured in the gas phase with the flash-photolysis resonance-absorption technique. The rate constants in units of cm/sup 3/ mol/sup -1/ s/sup -1/ were k/sub CHF/sub 3/F/ = (13.1 +- 1.1) x 10/sup 9/, k/sub CH/sub 2/F/sub 2// = (7.05 +- 0.84) x 10/sup 9/, k/sub CH/sub 3// = (0.21 +- 0.10) x 10/sup 9/, k/sub CH/sub 3/CH/sub 2/F/ = (140 +- 22) x 10/sup 9/, and k/sub CH/sub 3/CH/sub 2// = (22.3 +- 2.2) x 10/sup 9/. The quoted errors are the 95% confidence limits. The maximum potential influence of secondary reactions on the measured rates has been discussed and assessed to be less than 10% for all fluorocarbons except CHF/sub 3/ for which the reported value is an upper limit. 3 figures, 1 table
- Research Organization:
- National Research Council of Canada, Ottawa
- OSTI ID:
- 5622415
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 83:19; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Heterogeneous hydrogenolysis of some fluorocarbons. [CH/sub 2/==CHF, CH/sub 3/CH/sub 2/F, CHF==CHF, CH/sub 2/==CF/sub 2/, CH/sub 3/CHF/sub 2/ and CH/sub 3/CF/sub 3/]
Rate constants for the reactions of OH radicals with CH{sub 3}OCF{sub 2}CHF{sub 2}, CHF{sub 2}OCH{sub 2}CF{sub 2}CHF{sub 2}, CHF{sub 2}OCH{sub 2}CF{sub 2}CF{sub 3}, and CF{sub 3}CH{sub 2}OCF{sub 2}CHF{sub 2} over the temperature range 250--430 K
Rate constants for the reaction of OH radicals with CHF$sub 2$Cl, CF$sub 2$Cl$sub 2$, CFCl$sub 3$, and H$sub 2$ over the temperature range 297 to 434$sup 0$K
Technical Report
·
Fri Dec 31 23:00:00 EST 1976
·
OSTI ID:6121166
Rate constants for the reactions of OH radicals with CH{sub 3}OCF{sub 2}CHF{sub 2}, CHF{sub 2}OCH{sub 2}CF{sub 2}CHF{sub 2}, CHF{sub 2}OCH{sub 2}CF{sub 2}CF{sub 3}, and CF{sub 3}CH{sub 2}OCF{sub 2}CHF{sub 2} over the temperature range 250--430 K
Journal Article
·
Wed Feb 16 23:00:00 EST 2000
· Journal of Physical Chemistry A: Molecules, Spectroscopy, Kinetics, Environment, amp General Theory
·
OSTI ID:20017548
Rate constants for the reaction of OH radicals with CHF$sub 2$Cl, CF$sub 2$Cl$sub 2$, CFCl$sub 3$, and H$sub 2$ over the temperature range 297 to 434$sup 0$K
Journal Article
·
Mon Sep 01 00:00:00 EDT 1975
· J. Chem. Phys., v. 63, no. 5, pp. 1703-1706
·
OSTI ID:4076065
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500* -- Photochemistry
ABSORPTION
ACCURACY
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DATA FORMS
DECOMPOSITION
EXPERIMENTAL DATA
FLUIDS
FLUORINATED ALIPHATIC HYDROCARBONS
GASES
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXIDES
HYDROXYL RADICALS
INFORMATION
ISOLATED VALUES
KINETICS
MEDIUM TEMPERATURE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
RADICALS
REACTION KINETICS
RESONANCE ABSORPTION
TEMPERATURE DEPENDENCE
WATER
400500* -- Photochemistry
ABSORPTION
ACCURACY
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DATA FORMS
DECOMPOSITION
EXPERIMENTAL DATA
FLUIDS
FLUORINATED ALIPHATIC HYDROCARBONS
GASES
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROXIDES
HYDROXYL RADICALS
INFORMATION
ISOLATED VALUES
KINETICS
MEDIUM TEMPERATURE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
RADICALS
REACTION KINETICS
RESONANCE ABSORPTION
TEMPERATURE DEPENDENCE
WATER