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Stretching Vibrations of the Hydrogen Bond in HOHOH^- Hagedorn, George


Low order Born-Oppenheimer approximations describe most molecular systems very well, but they fail for some molecules or ions, including many with Hydrogen bonds. Alternative approximations for Hydrogen bonded molecules were developed together with Alain Joye several years ago. With an emphasis on simplicity, we have recently attempted to apply the appropriate alternative approximation to HOHOH^-, in which the central Hydrogen nucleus feels a double well effective potential. We describe some preliminary results about the symmetric and asymmetric stretching vibrations of the Hydrogen bond in this ion.

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