Ten-dimensional wave packet simulations of methane scattering

Details Ten-dimensional wave packet simulations of methane scattering Ten-dimensional wave packet simulations of methane scattering

2001-06-07

arxiv.org/abs/physics/0106025v1

J. Chem. Phys. 109, 1966 (1998)

Physics

Chemical Physics

RevTeX 15 pages, 3 eps figures: This article may be found at http://link.aip.org/link/?jcp/109/1966 .

Scientific paper

10.1063/1.476772

We present results of wavepacket simulations of scattering of an oriented methane molecule from a flat surface including all nine internal vibrations. At a translational energy up to 96 kJ/mol we find that the scattering is almost completely elastic. Vibrational excitations when the molecule hits the surface and the corresponding deformation depend on generic features of the potential energy surface. In particular, our simulation indicate that for methane to dissociate the interaction of the molecule with the surface should lead to an elongated equilibrium C--H bond length close to the surface.

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