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Figure 5
The structure of the 1:1 SM–4HBA co-crystal. Thomo-IV units are connected by 4HBA carboxylic acid homodimers to make parallel tapes that extend into a sheet through O—Hhydroxy⋯O=Cimide and multiple C—H⋯O interactions. The strong imide carbonyl acceptors are involved in multifurcated hydrogen bonds. Dotted lines indicate hydrogen bonds.

IUCrJ
Volume 2| Part 3| April 2015| Pages 341-351
ISSN: 2052-2525
doi:10.1107/S2052252515002651