Rotational Energy Transfer in H2+H2

Details Rotational Energy Transfer in H2+H2 Rotational Energy Transfer in H2+H2

2006-05-23

arxiv.org/abs/physics/0605202v1

Physics

Chemical Physics

4 Figures, 1 Table

Scientific paper

10.1016/j.cplett.2006.07.019

Quantum-mechanical close-coupling calculations for state-to-state cross sections and thermal rates are reported for H2+H2 collisions. Two recently developed potential energy surfaces (PES) for the H2-H2 system are applied, namely, the global potential surface from the work of A.I. Boothroyd, P.G. Martin, W.J. Keogh, M.J. Peterson, J. Chem. Phys., 116 (2002) 666, and a restricted, model surface from the works of P. Diep, J.K. Johnson, J. Chem. Phys., 113 (2000) 3480; ibid. 112, 4465. The low temperature limit is investigated. We found significant differences in cross sections and corresponding thermal rates calculated with these two PESs.

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