A double many-body expansion potential energy surface reported previously for H02(R2A”) and referred to here as DMBE is modified to produce thermal rate coefficients for the reaction 0 + OH - O2 + H in good agreement with experiment. new potential energy surface will be referred to as DMBE 11. By the further imposition that the potential function reproduce the experimental spectroscopic force field data for the hydroperoxyl radical, another potential energy surface been obtained, DMBE 111. Both of these improved DMBE I1 and DMBE 111 potential energy surfaces preserve the form used previously for DMBE I except for the long-range 0. -.OH electrostatic interaction, which is defined the spirit of a more satisfactory adiabatic theory.
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Varandas et al. (1988) studied this question.