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Rate constants for reaction of Cl atoms with hydrofluoroethers
Author(s) -
Dalmasso Pablo R.,
Nieto Jorge D.,
Taccone Raúl A.,
Teruel Mariano A.,
Lane Silvia I.
Publication year - 2006
Publication title -
journal of physical organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.325
H-Index - 66
eISSN - 1099-1395
pISSN - 0894-3230
DOI - 10.1002/poc.1077
Subject(s) - chemistry , reaction rate constant , atmosphere (unit) , nitrogen , atmospheric pressure , computational chemistry , thermodynamics , medicinal chemistry , kinetics , organic chemistry , meteorology , physics , quantum mechanics
The relative rate technique was used to measure the rate constants for the reactions of Cl atoms with CHF 2 OCH 2 CF 3 and CHF 2 OCHFCF 3 . Experiments were carried out at 296 ± 2 K and atmospheric pressure using nitrogen as the bath gas. Using 1,1,1‐trichloroethane and 1,1,1,2‐tetrafluoroethane as the reference compounds, the following rate coefficients were derived: k (Cl + CHF 2 OCH 2 CF 3 ) = (1.14 ± 0.27) × 10 −14 and k (Cl + CHF 2 OCHFCF 3 ) = (1.20 ± 0.12) × 10 −15 , in units of cm 3 molecule −1 s −1 . The rate constants obtained are compared with the literature data. The implications of the results with regard to the atmosphere are briefly considered. Copyright © 2006 John Wiley & Sons, Ltd.