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What is Understanding the Born-Oppenheimer Approximation about?
The Born-Oppenheimer approximation treats the motions of nuclei and electrons in a molecule separately. It assumes that the electrons respond instantaneously to nuclear positions. This allows solving first for electronic states at fixed nuclear positions, producing potential energy surfaces. Then the nuclear motion is treated as taking place on these potential energy surfaces. For diatomic molecules, this leads to a central force problem and harmonic oscillator equations that describe vibrational and rotati
- Author
- Sup Fans
- Language
- EN