monotropic transition

https://doi.org/10.1351/goldbook.M04028
The @I03258@ from a @M03872@ polymorphic form to the @S05900@ polymorph. Example: The transition of @M03872@ CaCO3 (aragonite-type) to the @S05900@ CaCO3 (calcite-type).
Note:
For liquid crystals the term refers to a @LT06856@ to @L03579@ that occurs below the @M03821@ point and is revealed by supercooling of the crystal.
Source:
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 586 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014