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Figure 5
The Raman spectra in the lattice phonon region of (a) phase II at 1.09 GPa and (b) phase III at 1.69 GPa, collected in the same regions as the diffraction data. Observed data – black; DFT-calculated data – red.

IUCrJ
Volume 7| Part 1| January 2020| Pages 58-70
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519015616