Vibrational energy transfers from the v=1 level of HBr to the v=1 level of CO, NO, N2, and O2, and to the 00° 1 level of CO2 and N2O

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Abstract
Rate constants for the vibrational energy transfer in HBr–M systems, with M=CO2, N2, N2O, CO, NO, O2, have been measured from 300 to 700 K using the laser‐induced fluorescence technique. The results are compared to the values calculated from Shin’s model and from Dillon–Stephenson method using, respectively, a Morse potential and a dipole–dipole potential. From the analysis of our results on the HBr–M systems and of the results obtained by other authors on many HX–M systems (X being an halogen atom) a discussion is given about the respective role played by the attractive multipolar forces and by the repulsive forces in the V–V transfers.