CH + H2 -> H + CH2

• Zabarnick, S., Fleming, J.W., and Lin, M.C. (1986) J. Chem. Phys. 85, 4375.
• Becker, K.H., Kurtenbach, R., and Wiesen, P. (1991) J. Phys. Chem. 95, 2390.
• Bohland, T., Temps, F., and Wagner, H. Gg. (1987) J. Phys. Chem. 91, 1205.
• McLroy, A., and Tully, F.P. (1993) J. Chem. Phys. 99, 3597.

COMMENTS:

Served as an optimization variable in GRI-Mech 1.2 and 2.1 releases. As a result of the 1.2 optimization round, the preexponential factor was decreased by a factor of 3 from the initial fit (see figure below).

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    Temp      delta-S     delta-H      kf          kr         Keq
     (K)    (cal/mol K)  (kcal/mol) ----(mol,cm3,s)-----   
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     300        -1.1         3.1    1.83E+11    5.82E+13    3.15E-03
     500        -1.2         3.1    1.40E+12    5.66E+13    2.47E-02
    1000        -1.0         3.3    1.12E+13    9.47E+13    1.19E-01
    1500         -.7         3.6    3.07E+13    1.46E+14    2.11E-01
    2000         -.6         3.8    5.91E+13    2.06E+14    2.87E-01
    2500         -.6         3.8    9.59E+13    2.76E+14    3.48E-01
    3000         -.7         3.6    1.41E+14    3.57E+14    3.94E-01
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