🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiTürkçeРусскийفارسی中文日本語EntityQ898586· pop 18· linked from 41 articlesFranck–Condon principlequantum chemistry rule regarding vibronic transitionsAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoBulgarianCatalanNederlandsConnectionssolutionEntityquantum mechanicsEntityCategoriesMolecular physicsQuantum chemistrySpectroscopy