root-mean-square unperturbed end-to-end distance

symbol: $\lt\!r_{\rm{o}}^{2}\!\gt^{1/2}$; units: $\pu{nm}$, $\pu{m}$
https://doi.org/10.1351/goldbook.12198
Root-mean-square end-to-end distance of a chain having unperturbed dimensions.
Note: If no ambiguity results, the term "unperturbed end-to-end distance" can be used.
Source:
PAC, 2015, 87, 71. (Definitions of terms relating to individual macromolecules, macromolecular assemblies, polymer solutions, and amorphous bulk polymers (IUPAC Recommendations 2014)) on page 76 [Terms] [Paper]
Citation: 'root-mean-square unperturbed end-to-end distance' 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.12198 RIS BibTex EndNote
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