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Figure 2
Single-crystal C4H2N5Cl in the α phase (0.1 MPa), compressed to the α′ phase (0.24 GPa) and decompressed to the α phase again (0.05 GPa). The vertical double arrows compare the initial and final vertical dimension of the crystal along its x direction in the α phase and corresponding y direction in the α′ phase (cf. Table 1[link]).

IUCrJ
Volume 9| Part 1| January 2022| Pages 49-54
ISSN: 2052-2525
https://doi.org/10.1107/S2052252521010381