Coriolis and anharmonicity couplings in the intramolecular vibrational energy flow: H+3 potential

A classical study was conducted on the effects of Coriolis coupling on the internal energy flow between the two degenerate normal mode oscillations of H+3 . Strong correlations between the energy flow and the types of trajectories with the direction of the molecular rotation are revealed. The angle at which a trajectory, near its onset, approaches the isoenergetic contour on the potential surface is shown to determine the type of the trajectory and general characteristics of the system