Term: structural transition
https://doi.org/10.1351/goldbook.S06062

Definition:
A reversible or irreversible transition that involves a change of the crystal structure. Example: The transition of NH4Cl at 469 K from a CsCl-type structure to a NaCl-type structure.

Related Terms:
1) reversible (http://doi.org/10.1351/goldbook.R05379).
2) irreversible transition (http://doi.org/10.1351/goldbook.I03258).

Source: PAC, 1994, 66, 577. 'Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)' on page 591 (https://doi.org/10.1351/pac199466030577)

Citation: 'structural transition' 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.S06062

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