The kinetics and mechanism of the gas-phase reaction of CI atoms with CH,CO have been studied with a fTIR spectrometer/smog chamber apparatus. Using relative rate methods the rate of reaction of CI atoms with ketene was found to be independent of total pressure over the range 1-700 torr of air dilue
The infrared chemiluminescent reaction of Cl atoms with H2CO
โ Scribed by D. M. Fasano; N. S. Nogar
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 377 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0538-8066
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โฆ Synopsis
Abstract
The reaction Cl + H~2~CO โ HCl + HCO has been studied at 295 K. Chlorine atoms were produced via the infrared laser induced dissociation of CCl~3~F, using a pulsed CO~2~ TEA laser. Using HCl infrared chemiluminescence as the diagnostic, we find the rate constant to be 7.4 ยฑ 0.7 ร 10^โ11^ cm^3^/molecule sec, in good agreement with several recent studies. An evaluation of TEA laser photolysis as a technique for the generation of chlorine atoms is made, and the relationship of this experiment to recent theories of infrared laser induced chemistry is discussed.
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The kinetics and mechanism of the reaction Cl ฯฉ HO 2 : products (1) have been studied in the temperature range 230-360 K and at total pressure of 1 Torr of helium using the discharge-flow mass spectrometric method. The following Arrhenius expression for the total rate constant was obtained either fr
The reaction Cl ฯฉ CH 3 CHO : HCl ฯฉ CH 3 CO (1) was studied using flash photolysis / tunable diode laser absorption spectroscopy to monitor the production of HCl. The rate coefficient, k 1 , was measured to be (7.5 ฯฎ 0.8) ฯซ 10 ฯช11 cm 3 molecule ฯช1 s ฯช1 at 298 K. HCl (v ฯญ 0) and HCl โ (v ฯญ 1) were mea
The multiple channel reaction H + CH(3)CH(2)Cl --> products has been studied by the ab initio direct dynamics method. The potential energy surface information is calculated at the MP2/6-311G(d,p) level of theory. The energies along the minimum energy path are further improved by single-point energy