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Figure 21
A unit cell of the ninefold superstructure of thiourea called polymorph II′ in entry THIOUR05 of the CSD (as given by Mercury), where a sinusoidal positional displacement of molecules is observed close to the commensurate–incommensurate phase transition described by Tanisaki et al. (1988BB38).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 5| October 2024| Pages 1618-1639
https://doi.org/10.1107/S1600576724007659
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