The quantum reactive scattering dynamics calculations are carried out over the collision energy range of 0-1.0e V on the double many-body exparsion (DMBE) potential etergy surface reported by Poveda and Varandas [Phys.Chem.Chem.Phys.7(2005) 2867].The reaction probabilities,integral cross-section and rate constantsfor the title reaction are calculated.The calculated rate constants are in agreement with the available experimental results at high temperature but lower than the experimental results at low temperature.
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