mesogenic group 

https://doi.org/10.1351/goldbook.MT06858
A part of a molecule or macromolecule endowed with sufficient anisotropy in both attractive and repulsive forces to contribute strongly to mesophase or, in particular, liquid-crystal mesophase formation in low-molar-mass and polymeric substances.
Source:
PAC, 2002, 74, 493. (Definitions of basic terms relating to polymer liquid crystals (IUPAC Recommendations 2001)) on page 497 [Terms] [Paper]
Citation: 'mesogenic group' 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.MT06858 RIS BibTex EndNote
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Last revised: February 24, 2014