HYDROGEN ABSTRACTION REACTIONS BY NH2(X2B1)-RADICALS FROM HYDROCARBONS IN THE GAS PHASE.

Article abstract of DOI:10.1002/bbpc.19870910704

Rate constants for the reactions of the NH//2(X**2B//1) radical with ethane, propane and cyclohexane were measured in an isothermal flow system. Kinetic data were obtained at 4 mbar helium pressure in the high temperature range given below. left bracket NH//2 right bracket (t)-profiles were mapped at pseudo-first order conditions left bracket NH//2 right bracket //0 VM LS TH left bracket RH right bracket //0 with the laser induced fluorescence technique. The temperature dependence of the rate constants is represented by certain Arrhenius-expressions. A correlation of the activation energy with the energy of the broken C-H bond of various hydrocarbons is discussed.