Trajectory Surface Hopping Approach to Nonadiabatic Molecular Collisions: The Reaction of H+ with D2
摘要：
An extension of the classical trajectory approach is proposed that may be useful in treating many types of nonadiabaticmolecular collisions. Nuclei are assumed to move classically on a single potential energy surface until an avoided surface crossing or other region of large nonadiabatic coupling is reached. At such points the trajectory is split into two branches, each of which follows a different potential surface. The validity of this model as applied to the HD2 + system is assessed by numerical integration of the appropriate semiclassical equations. A 3d "trajectory surface hopping" treatment of the reaction of H+ with D2 at a collision energy of 4 eV is reported. The excellent agreement with experiment is an encouraging indication of the potential usefulness of this approach.
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关键词：
Surface crossings Collision induced chemical reactions Hydrogen reactions Molecular collisions Non adiabatic couplings
DOI：
10.1063/1.1675788
被引量：
年份：
1971
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