Crystal structures of catena-poly[[μ-aqua-di­aqua(μ3-2-methyl­propano­ato-κ4O:O,O′:O′)calcium] 2-methyl­propano­ate dihydrate], catena-poly[[μ-aqua-di­aqua­(μ3-2-methyl­propano­ato-κ4O:O,O′:O′)strontium] 2-methyl­propano­ate dihydrate] and catena-poly[[μ-aqua-di­aqua­(μ3-2-methyl­propano­ato-κ4O:O,O′:O′)(calcium/strontium)] 2-methyl­propano­ate dihydrate]

Samolová, E.; Fábry, J.

doi:10.1107/S2056989020012888

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
View of the unit-cell content of (a) (II)

and (b) (III)

. Hydrogen bonds are shown as yellow dashed lines; colour code as in Fig. 1

. The substructures with the hydrophilic sheets and hydrogen-bonded system, which connects the columns and water molecules, are clearly discernible from the hydrophobic part of the structure composed of 2-methylethyl chains.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 76| Part 10| October 2020| Pages 1684-1688

https://doi.org/10.1107/S2056989020012888

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