zero–zero absorption or emission

synonyms: 0–0 absorption, 0–0 emission, zero-zero absorption, zero-zero emission
https://doi.org/10.1351/goldbook.Z06744
A purely electronic transition occurring between the lowest vibrational levels of two electronic states.
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2284 [Terms] [Paper]
Citation: 'zero–zero absorption or emission' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.Z06744 RIS BibTex EndNote
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