A low energy quasiclassical trajectory study has been performed on three potential energy surfaces, obtained by modifying the recent ground state abinitio potential energy hypersurface by Wilhelmsson etal. for the N+(3P)+H2(1Σ+g)→NH+ (2Π)+H(2S) reaction. The importance of explicit consideration of the asymptotic ion–induced dipole and ion–quadrupole interactions in the entrance channel is demonstrated. Reaction cross sections as a function of collision energy (approximately in the range 0.06–0.4 eV in c.m.) are presented.

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