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Figure 4
Displacement ellipsoid representations of the molecular structures of DL-arginine monohydrate [CSD refcode FUGXIO01, (a)] and 1-(2-bromo-3-{[tert-butyl­(di­methyl)­silyl]­oxy} phenyl)-2,2-di­methyl­but-3-en-1-yl 4-nitro­benzoate [CSD refcode IRUMAL, (b)], highlighting the disordered parts of the different conformations of the molecules in the disordered structures. The illustrations were generated with SHELXLE (Hübschle et al., 2011BB37) using the restrained (DFIX/DANG) and additionally constrained (EADP) refinements I recommend.

IUCrJ
Volume 8| Part 2| March 2021| Pages 305-318
ISSN: 2052-2525