Abstract
Abstract An iterative Franck—Condon analysis procedure was applied to a three-mode system to deduce ionic geometries of formaldehyde and its deuterated species upon X 2 B 2 ←X 1 A 1 ionization processes. The ionic geometries thus derived agree with one another and are parallel in signs with those predicted from changes in overlap populations and the nodal repulsive forces model. Furthermore, the calculated ionic geometries were found to be insensitive to the Duschinsky matrix relating to the two combining states.
Published Version
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