Spectator stripping with reactant internal energy

4 Spectator stripping with reactant internal energy 

Another important interpretation of the positive translational exoergicity at very low reactant energy is the complete treatment of spectator stripping, taking account of the internal energy of the BC molecule. The importance of the reactant internal motion in the dynamics of chemical reactions was first pointed out by Herschbach [111] in the context of neutral reactions. He obtained 

Connally and Gislason [112] have calculated the translational exo-ergicity using eqn. (85) for reactions (71) and (72), as well as for the reaction 

It is seen that the agreement between theory and experiment is remarkably good, especially when /jp o/2 is used as the vibrational contri- 

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This translational exoergicity will be equal to the energy of reaction of the (ground-state) reagents minus the difference in internal excitation between products and reactants (// — /f). Spectator stripping predicts that Q = O at Ti = 0 and then decreases linearly with increasing 7], the slope of this function being determined entirely by the relative masses involved. 

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