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Figure 3
(Top) Part of the crystal packing of poly­morph (Ib)[link], showing the dimer of R22(10) motif formed by O—H⋯O hydrogen bonds and two tetra­meric R43(20) motifs formed by C—H⋯O inter­actions. The inter­connection of the dimer with the tetra­mer is also shown. The differences between the three poly­morphs are seen when the central O—H⋯O hydrogen-bonded dimers are viewed perpendicular to the plane of the paper (lower three views). Hydrogen bonds are shown as dashed lines. Unit-cell edges and H atoms not involved in the hydrogen bonding have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 76| Part 2| February 2020| Pages 193-200
https://doi.org/10.1107/S2053229620000959
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