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Figure 8
The PZN unit cell, showing the oblate ellipsoidal shape of the distribution of oxygen. The O atoms have an anisotropic broadening that is larger in the plane of the nearest four Pb atoms.

IUCrJ
Volume 3| Part 1| January 2016| Pages 20-31
ISSN: 2052-2525
doi:10.1107/S2052252515018722