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Author(s):   Song, S.; Golden, D.M.; Hanson, R.K.; Bowman, C.T.; Senosiain, J.P.; Musgrave, C.B.; Friedrichs, G.
Title:   A Shock Tube Study of the Reaction NH2 + CH4 -> NH3 + CH3 and Comparison With Transition State Theory
Journal:   Int. J. Chem. Kinet.
Volume:   35
Page(s):   304 - 309
Year:   2003
Reference type:   Journal article
Squib:   2003SON/GOL304-309

Reaction:   CH4 + NH2·CH3 + NH3
Reaction order:   2
Temperature:   1591 - 2084 K
Pressure:  1.10 - 1.31 bar
Rate expression:   1.17x10-10 [cm3/molecule s] e-71338 [J/mole]/RT
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:   Other (Vis-UV)
Comments:   NH2 from CH3NH2 pyrolysis, followed by FM spectroscopy of NH2, rate coefficients obtained from fitting 74 reaction mechanism, results are larger than previous experimental results, but 40% smaller than theoretical prediction by Mebel and Lin

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Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
1591 5.34E-13
1600 5.51E-13
1625 5.98E-13
1650 6.48E-13
1675 7.00E-13
1700 7.55E-13
1725 8.12E-13
1750 8.72E-13
1775 9.34E-13
1800 9.99E-13
1825 1.07E-12
1850 1.14E-12
1875 1.21E-12
1900 1.28E-12
1925 1.36E-12
1950 1.44E-12
1975 1.52E-12
2000 1.61E-12
2025 1.70E-12
2050 1.79E-12
2075 1.88E-12
2084 1.91E-12