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Figure 5
Crystal structure of HESK·3H2O. (a) 2D coordination network with different functional groups located on two sides, i.e. the Aside and Bside. (b) Packing of the coordination polymer layers alternating in an `Aside-to-Aside' and `Bside-to-Bside' fashion; non-coordinated H2O molecules (space-filling mode, oxygen atoms are orange) lie between layers in the `Aside-to-Aside' region. 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