quantized internal energy

https://doi.org/10.1351/goldbook.Q04979
The quantized internal energy of a molecule in its electronic ground or excited state can be approximated with sufficient accuracy for analytical purposes by: Eint=Eel+Evib+Erot where Eel is the electronic, Evib the vibrational and Erot the rotational energy, respectively.
Source:
PAC, 1988, 60, 1449. (Nomenclature, symbols, units and their usage in spectrochemical analysis - VII. Molecular absorption spectroscopy, ultraviolet and visible (UV/VIS) (Recommendations 1988)) on page 1452 [Terms] [Paper]
Citation: 'quantized internal energy' 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.Q04979 RIS BibTex EndNote
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Last revised: February 24, 2014