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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
View full bibliographic record.
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 |