A novel three-dimensional Cd coordination polymer, namely, poly[[(μ-benzene-1,4-diacetato)(μ-benzene-1,4-diacetato)bis{μ-bis[4-(2-methylimidazol-1-yl)phenyl]methanone}dicadmium(II)] tetartohydrate], {[Cd(CHO)(CHNO)]·0.25HO} or {[Cd(PBEA)(MIPMO)]·0.25HO}, (I), was synthesized by the hydrothermal method using benzene-1,4-diacetic acid (HPBEA), bis[4-(2-methylimidazol-1-yl)phenyl]methanone (MIPMO) and Cd(NO)·6HO. The title compound was structurally characterized by single-crystal X-ray diffraction, elemental analysis, IR spectroscopy and thermogravimetric analysis, and exhibits a three-dimensional pillar-layer framework based on Cd-PBEA layers and MIPMO pillars, which can be simplified into a pcu topological network. The title compound displays a highly selective and sensitive sensing for Fe ions in aqueous solution. In addition, it displays a high photocatalytic activity for the degradation of methylene blue (MB) in water under UV light irradiation.
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http://dx.doi.org/10.1107/S2053229622000717 | DOI Listing |
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