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Figure 4
Three-dimensional static deformation density of the sulfate group in K2SO4 obtained from multipole refinement. Reprinted with permission from Schmøkel et al. (2012BB114). Copyright (2012) American Chemical Society.

IUCrJ
Volume 1| Part 5| August 2014| Pages 267-280
ISSN: 2052-2525
doi:10.1107/S2052252514018570