CH2 + H2 -> H + CH3

k = 5.00E05 T^2 exp(-7230 cal/mol /RT) cm3/mol s

SOURCE:

Estimated from rate cofficients of reaction

139 CH2 + CH4 -> CH3 + CH3

and isoelectronic O atom reactions.

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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        -3.9        -6.6    2.43E+05    2.91E+01    8.35E+03
     500        -4.3        -6.7    8.64E+07    8.88E+05    9.73E+01
    1000        -4.0        -6.5    1.31E+10    3.88E+09    3.39E+00
    1500        -3.4        -5.7    9.95E+10    8.25E+10    1.21E+00
    2000        -2.9        -4.8    3.24E+11    4.20E+11    7.72E-01
    2500        -2.6        -4.0    7.29E+11    1.18E+12    6.18E-01
    3000        -2.3        -3.2    1.34E+12    2.44E+12    5.47E-01
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