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- Title
A two-dimensional cadmium(II) coordination polymer based on 5-(pyridin-4-yl)isophthalic acid: poly[[tetraaquabis[μ<sub>3</sub>-5-(pyridin-4-yl)isophthalato]dicadmium(II)] pentahydrate].
- Authors
Liu, Fang; Zhang, Jing-Jing; Lei, Ming-Yuan; Zhang, Qing-Fu
- Abstract
The title CdII compound, {[Cd2(C13H7NO4)2(H2O)4]·5H2O} n, was synthesized by the hydrothermal reaction of Cd(NO3)2·4H2O and 5-(pyridin-4-yl)isophthalic acid (H2 L). The asymmetric unit contains two crystallographically independent CdII cations, two deprotonated L2− ligands, four coordinated water molecules and five isolated water molecules. One of the CdII cations adopts a six-coordinate octahedral coordination geometry involving three O atoms from one bidentate chelating and one monodentate carboxylate group of two different L2− ligands, one N atom of another L2− ligand and two coordinated water molecules. The second CdII cation adopts a seven-coordinate pentagonal-bipyramidal coordination geometry involving four O atoms from two bidentate chelating carboxylate groups of two different L2− ligands, one N atom of another L2− ligand and two coordinated water molecules. Each L2− ligand bridges three CdII cations and, likewise, each CdII cation connects to three L2− ligands, giving rise to a two-dimensional graphite-like 63 layer structure. These two-dimensional layers are further linked by O-H...O hydrogen-bonding interactions to form a three-dimensional supramolecular architecture. The photoluminescence properties of the title compound were also investigated.
- Subjects
CADMIUM compounds; COORDINATION polymers; PYRIDINE; PHTHALIC acid; CRYSTALLOGRAPHY
- Publication
Acta Crystallographica Section C: Structural Chemistry, 2015, Vol 71, Issue 9, p834
- ISSN
2053-2296
- Publication type
Article
- DOI
10.1107/S2053229615015612