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Figure 1
(a) Illustrating archetype structures extracted from the disordered structure of imipenem monohydrate. (b) Overview of solid-state phenomena linked by archetypes. On the vertical axis, disordered structures are a superposition of archetypes of similar energy, usually within small ΔE ≃ R·T, whereas polymorphs are distinct crystal structures, also with a small ΔE between them. We note that a similar ΔE rationale will also be underlying phase transitions.

IUCrJ
Volume 11| Part 3| May 2024| Pages 347-358
ISSN: 2052-2525
https://doi.org/10.1107/S2052252524002641