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Figure 2
Residual density at high resolution (Nref = 2549, sin (θ)/λ >1.25 Å−1) in the (001) plane containing Y and Ti atoms: (a) and (c) harmonic, and (b) and (d) anharmonic models. Contour: 0.2 e Å−3.

IUCrJ
Volume 6| Part 5| September 2019| Pages 884-894
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519009230