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Figure 5
(a) Relative expansion of the a, b and c axes over the tem­per­a­ture range studied normalized to 5 K; a change in the thermal expansion rate is observed around 160 K. (b) Variation of the unit-cell volume with tem­per­a­ture, fitted with the Salje equation of state {V0T = [p0 + p1θsatcoth(θsat/T)]3} (Salje et al., 1991View full citation).

IUCrJ
Volume 13| Part 1| January 2026| Pages 94-104
ISSN: 2052-2525
https://doi.org/10.1107/S2052252525010486