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Author(s):   Berteloite, C.; Le Picard, S.D.; Balucani, N.; Canosa, A.; Sims, I.R.
Title:   Low temperature rate coefficients for reactions of the butadiynyl radical, C4H, with various hydrocarbons. Part II: reactions with alkenes (ethylene, propene, 1-butene), dienes (allene, 1,3-butadiene) and alkynes (acetylene, propyne and 1-butyne)
Journal:   Phys. Chem. Chem. Phys.
Volume:   12
Page(s):   3677 - 3689
Year:   2010
Reference type:   Journal article
Squib:   2010BER/LEP3677-3689

Reaction:   C2H2 + CH≡CC≡C → Products
Reaction order:   2
Temperature:   39.00 - 300 K
Pressure:  3.30E11 - 2.50E12 bar
Rate expression:   1.82x10-10 [±1.9x10-11 cm3/molecule s] (T/298 K)-1.06 e-548 [J/mole]/RT
Category:  Experiment
Data type:   Absolute value measured directly
Pressure dependence:   None reported
Experimental procedure:   Laval nozzle
Excitation technique:   Flash photolysis (laser or conventional)
Time resolution:   In real time
Analytical technique:   Laser induced fluorescence
Comments:   The uncertainties quoted for the preexponential factors are RMS deviations and should be combined with a likely 10% systematic error to give an estimate of the overall uncertainty.

View full bibliographic record.

Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
39.00 2.90E-10
50.00 3.23E-10
75.00 3.26E-10
100 3.00E-10
125 2.70E-10
150 2.43E-10
175 2.20E-10
200 2.00E-10
225 1.83E-10
250 1.68E-10
275 1.56E-10
300 1.45E-10