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Figure 4
Fragments of the diffraction frames showing reflection −7 0 14 1 at 298 K and the corresponding split reflection at 40 K. Splitting is according to the twin law (−7 0 14 1 and 7 0 −14 1).

IUCrJ
Volume 8| Part 1| January 2021| Pages 139-147
ISSN: 2052-2525