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 7.2 -46.7 3.79E+10 9.03E-26 4.20E+35 500 6.5 -47.0 3.77E+11 3.97E-11 9.50E+21 1000 4.9 -48.2 3.92E+12 9.68E+00 4.05E+11 1500 3.8 -49.6 1.21E+13 1.08E+05 1.13E+08 2000 2.9 -51.1 2.53E+13 1.52E+07 1.66E+06 2500 2.2 -52.7 4.35E+13 3.55E+08 1.22E+05 3000 1.6 -54.4 6.67E+13 3.28E+09 2.04E+04 ______________________________________________________________________