(physical chemistry) The approximation, used in the Born-Oppenheimer method, that the electronic wave functions and energy levels at any instant depend only on the positions of the nuclei at that instant and not on the motions of the nuclei. Also known as adiabatic approximation.
Born-Oppenheimer approximation
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 | adiabatic approximation |
| Hellman-Feynman theorem (quantum mechanics) |
| hydrogen molecule ion |
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Mentioned in
- adiabatic approximation
- Hellman-Feynman theorem (quantum mechanics)
- hydrogen molecule ion
- Franck-Condon principle (solid state physics)
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