Abstract
The HF and DF vibrational distributions for the hydrogen abstraction reactions between F atoms and CH 3COOD, CD 3COOH, CF 3COOD and CF 3COO have been measured by arrested relaxation infrared chemiluminescence. Phase space calculations have been carried out which accurately reproduce the dis observed for the reactions at the carboxyl site in each case. The calculations suggest that the energy is not completely randomised during the acetic a whereas the trifluoroacetic acid reactions show ergodic behaviour.
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