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Gas phase reaction of Cl atoms with a series of oxygenated organic species at 295 K
Author(s) -
Wallington Timothy J.,
Skewes Loretta M.,
Siegl Walter O.,
Wu ChingHsong,
Japar Steven M.
Publication year - 1988
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550201105
Subject(s) - chemistry , propionaldehyde , reaction rate constant , propane , butane , cyclohexane , acetaldehyde , methanol , analytical chemistry (journal) , organic chemistry , ethanol , kinetics , catalysis , physics , quantum mechanics
The relative rate technique has been used to determine the rate constants for the reaction of chlorine atoms with a series of oxygenated organic species. Experiments were performed at 295 ± 2 K and atmospheric pressure of synthetic air or nitrogen. The decay rates of the organic species were measured relative to that of ethane or n ‐butane. Using rate constants of 5.7 × 10 −11 cm 3 molecule −1 s −1 , and 2.25 × 10 −10 cm 3 molecule −1 s −1 for the reaction of Cl with ethane and n ‐butane respectively the following rate constants were derived, in units of 10 −11 cm 3 molecule −1 s −1 : propane, (16.0 ± 0.4); i ‐butane, (15.1 ± 0.9) n ‐pentane, (31.0 ± 1.6); n ‐hexane, (34.5 ± 2.3); cyclohexane, (36.1 ± 1.5); methanol, (4.57 ± 0.40); ethanol, (8.45 ± 0.91); n ‐propanol, (14.4 ± 1.2); t ‐butylalcohol, (3.26 ± 0.19); acetaldehyde, (8.45 ± 0.79); propionaldehyde, (11.3 ± 0.9); dimethylether, (20.5 ± 0.8); diethylether, (35.6 ± 2.8); and methyl‐ t ‐butylether, (16.6 ± 1.2). Quoted errors represent 2σ, and do not include any errors due to uncertainties in the rate constants used to place our relative measurements on an absolute basis. The results are discussed with respect to the mechanisms of these reactions and to previous literature data.