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Figure 2
The polynomial fits to volume data from (a) methane phase II and (b) methane phase I. The fitted models are described in the text, and the fitted lattice parameters used to generate these figures are tabulated in the supporting information.

IUCrJ
Volume 7| Part 5| September 2020| Pages 844-851
ISSN: 2052-2525
https://doi.org/10.1107/S2052252520007460