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Author(s):   Wu, F.; Carr, R.W.
Title:   Kinetics of CH2ClO Radical Reactions with O2 and NO, and the Unimolecular Elimination of HCl
Journal:   J. Phys. Chem. A
Volume:   105
Page(s):   1423 - 1432
Year:   2001
Reference type:   Journal article
Squib:   2001WU/CAR1423-1432

Reaction:   O2 + CH2ClO → HC(O)Cl + HO2
Reaction order:   2
Temperature:   265 - 306 K
Pressure:  6.67E-3 - 4.67E-2 bar
Rate expression:   2.0x10-12 [±7.0x10-13 cm3/molecule s] e-7766 [±1064 J/mole]/RT
Bath gas:   N2
Category:  Experiment
Data type:   Absolute value measured directly
Pressure dependence:   Rate constant is pressure independent
Experimental procedure:   Static or low flow - Data taken vs time
Excitation technique:   Flash photolysis (laser or conventional)
Time resolution:   In real time
Analytical technique:   Mass spectrometry
Comments:   CH2ClO has been generated through the reactions;NOCl (Xe-lamp) -> NO+Cl,Cl+ CH3Cl->CH2Cl+HCl,CH2Cl+O2+M->CH2ClO2+M,CH2ClO2+NO->CH2ClO+NO2.k(CH2ClO+NO)=(2.7+/-0.6)E-12 cc/molecule s.k(CH2ClO->HCl+HCO)=(7.7+/-2.3)E9exp[-(4803+/-722)/T] s^-1

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Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
265 5.89E-14
275 6.70E-14
300 8.89E-14
306 9.45E-14