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Figure 2
Crystal structure of HESNA·H2O. (a) and (b) Bilayered 2D coordination networks propagate along the crystallographic bc plane and are cross-linked by hydrogen bonds between H2O molecules and HES− anions along the a axis. (c) Cyclic dimers of HES− form through pairs of PhOH⋯PhO− hydrogen bonds (motif I) which exist throughout the 2D coordination networks. HES− anions are shown in red.

IUCrJ
Volume 10| Part 3| May 2023| Pages 329-340
ISSN: 2052-2525
https://doi.org/10.1107/S205225252300266X