## Abstract By means of the dualβlevel direct dynamics method, the mechanisms of the reactions, CH~3~CF~2~Cl + OH β products (R1) and CH~3~CFCl~2~ + OH β products (R2), are studied over a wide temperature range 200β2000 K. The optimized geometries and frequencies of the stationary points are calcul
On the kinetic mechanism of reactions of hydroxyl radical with CHF2CH3
β Scribed by Yue-meng Ji; Ze-sheng Li; Jing-yao Liu
- Publisher
- Springer
- Year
- 2007
- Tongue
- English
- Weight
- 598 KB
- Volume
- 118
- Category
- Article
- ISSN
- 1432-2234
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π SIMILAR VOLUMES
Rate constants have been measured over the temperature range 245-419 K for the gas-phase reactions of the hydmxyl radical with the hydrofluorocarbons CHF,CF,CF,CHF, and CF&HFCHFCF2CF,. The Arrhenius expressions k (CHF,CF,CFzCHF,) =(7.80i3.40)X10-'3exp[-(1.51~0.26)~103/T] and k(CF,CHFCHFCF~CF,)=(4.21
## Abstract Rate constants for the gasβphase reactions of CH~3~OCH~2~CF~3~ (__k__~1~), CH~3~OCH~3~ (__k__~2~), CH~3~OCH~2~CH~3~ (__k__~3~), and CH~3~CH~2~OCH~2~CH~3~ (__k__~4~) with NO~3~ radicals were determined by means of a relative rate method at 298 K. NO~3~ radicals were prepared by thermal d
Rate coefficients for OH reactions with the 2-5 carbon aliphatic aldehydes have been measured under pseudo first-order conditions in OH. OH was generated by flash photolysis of H 2 0 a t wavelengths greater than 165 nm and its concentration monitored using time-resolved resonance fluorescence spectr