Journal of the Chemical Society - Faraday Transactions p. 3045 - 3054 (1995)
Update date:2022-08-11
Topics:
Biggs, Peter
Canosa-Mas, Carlos E.
Fracheboud, Jean-Marc
Marston, George
Shallcross, Dudley E.
Wayne, Richard P.
A discharge-flow system equipped with a laser-induced fluorescence cell to detect the methoxyl radical and a quadrupole mass spectrometer to detect both the chlorine monoxide and chlorine dioxide radicals has been used to measure the rate constants for the reactions CH3 + ClO -> products (1) CH3O + ClO -> products (2) CH3 + OClO -> products (3) CH3O + OClO -> products (4) at T 298 K and P = 1-3 Torr.The observed products of these reactions are CH3O for reaction (1), HOCl for reaction (2), and CH3O and ClO for reaction (3).For reaction (4), CH3OCl is a possible product.The rate constants derived for reactions (1)-(4) are: k1 = (1.3 +/- 0.4)E-10 cm3 molecule -1 s-1; k2 = (1.3 +/- 0.3)E-11 cm3 molecule-1 s-1; k3 = (1.6 +/- 0.3)E-11 cm3 molecule-1 s-1; k4 = (1.5 +/- 0.5)E-12 cm3 molecule-1 s-1.The likely mechanism for (1)-(4) are briefly discussed.
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