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Figure 7
Overlay of the triclinic and high-pressure monoclinic forms of ART. The darker-coloured molecules represent the triclinic form at 1.39 GPa [highest form (II) data pressure], while the pastel-coloured molecules represent the high-pressure monoclinic form at 1.95 GPa. The root-mean-square deviation is 0.305 with 15/15 molecules overlapping indicating a strong similarity. The β angle remains consistent between the phases with the alpha and gamma becoming 90°. This is achieved through the chains sliding with respect to each other along the b direction.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 82| Part 3| June 2026| Pages 316-329
https://doi.org/10.1107/S205252062600291X
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