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Author(s):   Peukert, S.; Naumann, C.; Braun-Unkhoff, M.
Title:   Formation of H-atoms in the Pyrolysis of 1,3-butadiene and 2-butyne: A Shock Tube and Modelling Study
Journal:   Z. Phys. Chem.
Volume:   223
Page(s):   427 - 446
Year:   2009
Reference type:   Journal article
Squib:   2009PEU/NAU427-446

Reaction:   2-butyne1,2-butadiene
Reaction order:   1
Temperature:   1500 - 1800 K
Pressure:  1.20 - 1.90 bar
Rate expression:   6.9x1013 [s-1] e-270187 [J/mole]/RT
Uncertainty:   1.2999999523162842
Category:  Experiment
Data type:   Derived from fitting to a complex mechanism
Pressure dependence:   None reported
Experimental procedure:   Shock tube
Excitation technique:   Thermal
Time resolution:   In real time
Analytical technique:   Vis-UV absorption
Comments:   Rate constants are derived from simultaneous modeling of two sets of experimental data: those on the pyrolysis of 1,2-butadiene and on the pyrolysis of 2-butyne. The uncertainties are estimated at 30%.

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Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [s-1]
1500 2.69E4
1525 3.84E4
1550 5.42E4
1575 7.56E4
1600 1.04E5
1625 1.43E5
1650 1.93E5
1675 2.59E5
1700 3.44E5
1725 4.54E5
1750 5.95E5
1775 7.73E5
1800 9.96E5