A quantum mechanical investigation of vibrational energy transfer in O(3P)+H2O collisions

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Abstract
Cross sections for the vibrational excitation of H2O in collision with O(3P) are calculated for relative collision energies of 0.5 to 3.0 eV by the vibrational close‐coupling rotational infinite order sudden method using an accurate potential energy surface. The excitation cross sections obtained by this quantum mechanical calculation are compared to results of a recently published quasiclassical trajectory study which used the same potential surface. Very large differences between the quantum mechanical and classical trajectory results are found.