Absolute rate constants for the reactions of CH with O and N atoms

Abstract

CH(X2Π) was produced by multiple infrared photon dissociation CH3OH in the presence of excess atomic oxygen or nitrogen. Time-resolved measurements of relative CH concentrations were made at 298 K with a tunable dye laser. Rate constants deduced from the dependence of CH decay rate on atom concentration are (9.5±1.4)×10-11 cm 3 s-1 for CH+O and (2.1±.5)×10-11 cm3 s-1 for CH+N. © 1981 American Institute of Physics.