lyonium ion

https://doi.org/10.1351/goldbook.L03654
The cation produced by hydronation of a solvent molecule. For example, ($\ce{CH3OH2^{+}}$) is the lyonium ion of methanol.
See also: onium compounds
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1137 [Terms] [Paper]
Citation: 'lyonium ion' 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.L03654 RIS BibTex EndNote
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