Term: rearrangement ion
https://doi.org/10.1351/goldbook.R05195

Definition:
An electrically charged species, involving a molecular or parent ion, in which atoms or groups of atoms have transferred from one portion of a molecule or molecular moiety to another during the ionization fragmentation processes.

Related Terms:
1) moiety (http://doi.org/10.1351/goldbook.M03968).
2) ionization (http://doi.org/10.1351/goldbook.I03183).
3) fragmentation (http://doi.org/10.1351/goldbook.F02506).

Source: Orange Book, 2nd ed., p. 205 (https://media.iupac.org/publications/analytical_compendium/)

Citation: 'rearrangement 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.R05195

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