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The gas phase reactions of hydroxyl radicals with a series of nitroalkanes over the temperature range 240–400 K

✍ Scribed by Renzhang Liu; Robert E. Huie; Michael J. Kurylo; Ole J. Nielsen

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
402 KB
Volume
167
Category
Article
ISSN
0009-2614

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✦ Synopsis

Absolute rate constants were determined for the gas phase reactions of OH radicals with a series of nitroalkanes by the flash photolysis-resonance fluorescence technique. Experiments were performed at total pressures from 25 to 50 Torr using Ar as a diluent gas. Experiments with nitromethane and nitromethanwf, at 296 K yielded rate cunstants of ( 1.58f 0.09) X lo-" and (0.9+0.04)x10 -I4 cm3 ntolecule-1 s-l, respectively. Data from experiments over the temperature range 240-400 K for nitroethane, I-nitropropane, 2-nitropropane, 1 -nitrobutane, and l-nitropentane were used to evaluate their Arrhenius parameters. The results are discussed in terms of the reaction mechanism, and are compared to previous literature data.

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