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Figure 7
2 × 2 Å2 (y, z) Fobs contour plot of the electron density resulting from the split-position refinement of α3-Fe2P2O7 showing an electron density maximum at the origin, corresponding to a linear P2O74− unit. Contours are drawn at the 1 e Å−3 levels. Red discs represent the refined position of the O4 atom and its image by inversion at the origin.

IUCrJ
Volume 12| Part 6| November 2025| Pages 670-682
ISSN: 2052-2525
https://doi.org/10.1107/S2052252525007547