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Figure 5
Simplified correlated movements. (a) Some different possible simplified movements. Each Cu ion is located on a tetrahedron. An orange arrow represents a Cu ion moving from the center towards a corner of the tetrahedron. An orange circle is a stationary Cu ion. A blue circle is a stationary Se ion. Wedged and dashed lines show movement in and out of the plane, respectively. (b)–(d) Traces of the different movements in the 3D-ΔPDF for 0 < t < 1/3.

IUCrJ
Volume 10| Part 2| March 2023| Pages 199-209
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523001318