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Figure 11
Histograms showing the distance distribution between the two O atoms directly involved in the carboxyl(ate)–water hydrogen bond. For clarity, only water molecules positioned in a 1 Å slice above and below the plane defined by the three heavy atoms of the carboxyl(ate) groups are considered. A cut-off of 2.2 Å for d(C=O⋯H—Ow) or d(C—OH⋯Ow) was used. (a) d(C—OH⋯Ow) histogram involving carboxyl groups. (b) d(C=O⋯Ow) histogram involving carboxylate groups. (c) d(C=O⋯Ow) histogram involving carbonyl O atoms of the carboxyl group.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 71| Part 2| March 2015| Pages 164-175
doi:10.1107/S205252061500270X
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