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Author(s):   Romanias, M.N.; Stefanopoulos, V.G.; Papanastasiou, D.K.; Papadimitriou, V.C.; Papagiannakopoulos, P.
Title:   Temperature-Dependent Rate Coefficients and Mechanism for the Gas-Phase Reaction of Chlorine Atoms with Acetone
Journal:   Int. J. Chem. Kinet.
Volume:   42
Page(s):   724 - 734
Year:   2010
Reference type:   Journal article
Squib:   2010ROM/STE724-734

Reaction:   Acetone + ·Cl → Products
Reaction order:   2
Temperature:   273 - 363 K
Pressure:  2.67E-6 bar
Rate expression:   1.68x10-11 [±2.7x10-12 cm3/molecule s] e-5055 [±133 J/mole]/RT
Category:  Experiment
Data type:   Absolute value measured directly
Pressure dependence:   None reported
Experimental procedure:   Very low pressure cells (VLPP,Knudsen)
Excitation technique:   Discharge
Time resolution:   By end product analysis
Analytical technique:   Mass spectrometry
Comments:   The quoted uncertainties are the 2σ (95% level of confidence), including estimated systematic uncertainties. The hydrogen abstraction pathway leading to HCl is the predominant pathway.

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Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
273 1.81E-12
275 1.84E-12
300 2.21E-12
325 2.59E-12
350 2.96E-12
363 3.15E-12