O + C2H2 -> H + HCCO

SOURCE:

Michael, J.V., and Wagner, A.F. (1990) J. Phys. Chem. 94, 2453.
Miller, J.A., Volponi, J.V., Durant, J.L., Goldsmith, J.E.M., Fisk, G.A., and Kee, R.J. (1990) 23rd Symposium (International) on Combustion, p. 187.

COMMENTS:

The overall rate coefficient for O + C2H2 -> Products,

21. O + C2H2 -> H + HCCO
22. O + C2H2 -> OH + C2H
23. O + C2H2 -> CO + CH2,

is from Michael and Wagner (1990). The branching ratio R21/R23 is from Miller et al. (1990).

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

     300         -.1       -19.6    3.79E+10    2.17E-04    1.75E+14
     500          .2       -19.4    3.77E+11    1.06E+03    3.57E+08
    1000          .7       -19.1    3.92E+12    1.83E+08    2.14E+04
    1500          .7       -19.1    1.21E+13    1.39E+10    8.71E+02
    2000          .6       -19.3    2.53E+13    1.45E+11    1.74E+02
    2500          .4       -19.8    4.35E+13    6.67E+11    6.52E+01
    3000          .2       -20.4    6.67E+13    2.00E+12    3.33E+01
______________________________________________________________________