Franck-Condon principle

proper noun

A rule describing the intensities of vibronic transitions, or the absorption or emission of a photon, stating that when a molecule is undergoing an electronic transition, such as ionization, the nuclear configuration of the molecule experiences no significant change.

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Meanings

proper nounthe Franck-Condon principle
  1. A rule describing the intensities of vibronic transitions, or the absorption or emission of a photon, stating that when a molecule is undergoing an electronic transition, such as ionization, the nuclear configuration of the molecule experiences no significant change.
Cite this entry
APA

Franck-Condon principle. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Franck-Condon%20principle

MLA

“Franck-Condon principle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Franck-Condon%20principle. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Franck-Condon principle,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Franck-Condon%20principle.

Source: Franck-Condon principle on Wiktionary, CC BY-SA 4.0.