correlation time

symbols: $\tau$, $\tau_{\rm{c}}$
https://doi.org/10.1351/goldbook.08325
Parameter related to the mean time during which a molecule maintains its spatial geometry.
Note:
For an internuclear vector, correlation time is approximately equal to the average time for it to rotate through an angle of one radian.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 684 [Terms] [Paper]
Citation: 'correlation time' 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.08325 RIS BibTex EndNote
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