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Accessibility information
Author(s):   Ceursters, B.; Nguyen, H.M.T.; Peeters, J.; Nguyen, M.T.
Title:   Experimental and Theoretical Study of the Gas Phase Reaction of Ethynyl Radical with Methane (HCC+CH4)
Journal:   Chem. Phys. Lett.
Volume:   329
Page(s):   412 - 420
Year:   2000
Reference type:   Journal article
Squib:   2000CEU/NGU412-420

Reaction:   CH4 + ·C2HC2H2 + ·CH3
Reaction order:   2
Temperature:   295 - 779 K
Pressure:  1.33E-2 bar
Rate expression:   8.56x10-13 [cm3/molecule s] (T/298 K)(2.34±0.40) e3159 [±1497 J/mole]/RT
Bath gas:   He
Category:  Experiment
Data type:   Absolute value measured directly
Experimental procedure:   Static or low flow - Data taken vs time
Excitation technique:   Flash photolysis (laser or conventional)
Time resolution:   In real time
Analytical technique:   Chemiluminescence
Comments:   Chemiluminescence from CCH + O2 -> CH + CO2 used to monitor CCH.

View full bibliographic record.


Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
295 3.03E-12
300 3.09E-12
325 3.38E-12
350 3.70E-12
375 4.04E-12
400 4.41E-12
425 4.81E-12
450 5.23E-12
475 5.67E-12
500 6.15E-12
525 6.65E-12
550 7.17E-12
575 7.72E-12
600 8.30E-12
625 8.90E-12
650 9.53E-12
675 1.02E-11
700 1.09E-11
725 1.16E-11
750 1.23E-11
775 1.31E-11
779 1.32E-11