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Figure 8
Illustrations for the crystal structure of 2b: (a) linking of molecules of 2b into the three-dimensional network by the O—H⋯O and N—H⋯O hydrogen bonds with lattice water molecules; (b) octameric water cluster via O—H⋯O hydrogen bonds; (c) alignment of double bonds of 2b for a single [2 + 2] reaction.

IUCrJ
Volume 2| Part 5| September 2015| Pages 523-533
ISSN: 2052-2525