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Figure 1
Polycrystalline samples of HI cocrystallized with 4-ethylresorcinol corresponding to pH 5.00 (upper left), 5.80 (upper right), 5.97 (lower left) and 7.37 (lower right). Each crystalline phase corresponds to a different symmetry, as shown by our analysis.

IUCrJ
Volume 2| Part 5| September 2015| Pages 534-544
ISSN: 2052-2525
https://doi.org/10.1107/S2052252515013159