HO2 + HO2 -> O2 + H2O2

k = 1.30E+11 exp(1630 cal/mol /RT) + 4.20E+14 exp(-12000 cal/mol /RT) cm3/mol s

SOURCE:: The reaction is entered twice to provide a dual-exponential fit to the data of
Hippler, H., Troe, J., and Willner, J. (1990) J. Chem. Phys. 93, 1755.

COMMENTS:: Served as an optimization variable for GRI-Mech 3.0 and was not changed.

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    Temp      delta-S     delta-H      kf          kr         Keq
     (K)    (cal/mol K)  (kcal/mol) ----(mol,cm3,s)-----   
______________________________________________________________________

     300        -4.4       -38.5    2.00E+12    1.74E-15    1.15E+27
     500        -4.2       -38.4    6.73E+11    9.26E-05    7.27E+15
    1000        -3.8       -38.1    1.29E+12    4.14E+04    3.13E+07
    1500        -3.6       -37.9    7.73E+12    1.45E+08    5.31E+04
    2000        -3.6       -37.8    2.07E+13    9.28E+09    2.23E+03
    2500        -3.6       -37.8    3.77E+13    1.13E+11    3.32E+02
    3000        -3.7       -38.0    5.63E+13    6.04E+11    9.31E+01
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