Photochemistry and kinetics of the O/sub 2/*-HI system. [CF/sub 3/I, n-C/sub 3/F/sub 7/I]
Technical Report
·
OSTI ID:5490187
Rate coefficients of <2 x 10/sup -17/ cm/sup 3//molecule-sec and (2.7 +- 1.0) x 10/sup -14/ cm/sup 3//molecule-sec have been measured by flow tube techniques for HI quenching of O/sub 2/(/sup 1/..delta..) and O/sub 2/(/sup 1/..sigma..), respectively. In a separate experiment, the quantum yields of I(/sup 2/P/sub 1/2) from HI and CF/sub 3/I photolysis at 249 nm were determined to be 0.65 +- 0.04) and (0.88 +- 0.06), respectively, relative to a quantum yield of 1.0 from the photolysis of n-C/sub 3/F/sub 7/I. The quenching rate of I* by HI was determined to be (5.7 +- 1.0) x 10/sup -14/ cm/sup 3//molecule-sec. Experimental data and modeling results are presented for photolysis of a mixture of O/sub 2/* and HI. These data are relevant to consideration of a pulsed version of the chemical oxygen-iodine laser (COIL). 59 refs., 10 figs., 5 tabs.
- Research Organization:
- Aerospace Corp., El Segundo, CA (USA). Aerophysics Lab.
- OSTI ID:
- 5490187
- Report Number(s):
- SD-TR-84-37; ON: TI85901680
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500* -- Photochemistry
42 ENGINEERING
420300 -- Engineering-- Lasers-- (-1989)
CHEMICAL LASERS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
DATA
DE-EXCITATION
DEACTIVATION
DECOMPOSITION
ELEMENTS
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
FLUORINATED ALIPHATIC HYDROCARBONS
HALOGEN COMPOUNDS
HALOGENATED ALIPHATIC HYDROCARBONS
HALOGENS
HYDRIODIC ACID
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
IODINATED ALIPHATIC HYDROCARBONS
IODINE
IODINE COMPOUNDS
KINETICS
LASERS
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC IODINE COMPOUNDS
OXYGEN
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PHOTOLYSIS
RADIATIONLESS DECAY
REACTION KINETICS
400500* -- Photochemistry
42 ENGINEERING
420300 -- Engineering-- Lasers-- (-1989)
CHEMICAL LASERS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
DATA
DE-EXCITATION
DEACTIVATION
DECOMPOSITION
ELEMENTS
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
FLUORINATED ALIPHATIC HYDROCARBONS
HALOGEN COMPOUNDS
HALOGENATED ALIPHATIC HYDROCARBONS
HALOGENS
HYDRIODIC ACID
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
IODINATED ALIPHATIC HYDROCARBONS
IODINE
IODINE COMPOUNDS
KINETICS
LASERS
NONMETALS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC IODINE COMPOUNDS
OXYGEN
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PHOTOLYSIS
RADIATIONLESS DECAY
REACTION KINETICS