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Poly[diaquayytrium(III)bis(μ-3-hydroxypropionato-O3,O1:O1′) bromide], {[Y(O2CCH2CH2OH)2(H2O)2]Br}n, forms a layer structure consisting of sheets of cations in which the 3-hydroxypropionate ligands chelate to one metal via the hydroxyl and one carboxyl O atom and bridge to adjacent metals via the second carboxyl O atom. The same chelating/bridging coordination of the carboxylate ligand occurs in catena-poly[[pentaaquayttrium(III)]-μ-(3-hydroxypropionato-O3,O1:O1′) bromide chloride], {[Y(O2CCH2CH2OH)(H2O)5](Br)Cl]}n, to give cation chains which are arranged in layers. In both structures the anions lie between the cation units and hold the latter together via hydrogen bonding.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks 1, 2, global

hkl

Structure factor file (CIF format)
Contains datablock 1

hkl

Structure factor file (CIF format)
Contains datablock 2

CCDC references: 130710; 130711

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