Abstract
The photodissociation of H 2O 2 at 193 nm is examined using classical mechanics and ab initio potential energy surfaces for the two lowest excited states (Ã, 1A and B̃ 1B). In accordance with recent experimental studies we find that OH rotational excitation originates primarily from the dependence of the excited-state potentials on the OH-OH torsional angle. Scalar properties (rotational state distributions) as well as vector properties ( v, j correlation) are compared with experimental results and good agreement is achieved. The rotational state distributions provide nice examples of the rotational reflection principle.
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