A cadmium(II) coordination polymer with a fivefold interpenetrating diamondoid three-dimensional framework: synthesis, crystal structure, luminescence and photocatalytic properties

The highly effective recognition and detection of metal ions and anions in water has attracted much attention with respect to environmental safety. Herein, a novel Cd-based coordination polymer, poly[[4,4′-bis(2-methylimidazol-1-yl)biphenyl]bis(cyclohexane-1,2-dicarboxylato)dicadmium(II)], [Cd2(C8H10O4)2(C20H18N4)] n or [Cd(CHADC)(4,4′-BMIBP)0.5] n , (I), has been synthesized employing cis-cyclohexane-1,2-dicarboxylic acid (H2CHADC) and 4,4′-bis(2-methyl-1H-imidazol-1-yl)biphenyl (4,4′-BMIBP). Single-crystal X-ray analysis reveals that (I) presents a 6-connected hxl two-dimensional layer based on Cd6(CHADC)6 clusters with the point symbol (36·46·53). Furthermore, (I) has been characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis and fluorescence spectroscopy, and exhibits good stability and excellent photoluminescence properties. Coordination polymer (I) was chosen as a fluorescent probe to sense different target analytes and shows an obvious selective recognition response to Fe3+ cations and Cr2O7 2−/CrO4 2− anions through luminescence-quenching effects in aqueous solution. The sensing mechanism was investigated and showed that the detection mechanism was resonance energy transfer between (I) and the Fe3+, Cr2O7 2− and CrO4 2− ions.

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A new two-dimensional cadmium(II) coordination polymer based on the asymmetric dicarboxylic acid homophthalic acid: synthesis, structure and properties

Shen

2022

Acta Crystallogr C

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A new coordination polymer poly[[μ2-4,4′-bis(2-methylimidazol-1-yl)biphenyl-κ2 N 3:N 3′]bis[μ3-2-(2-carboxylatophenyl)acetato-κ5 O,O′:O′,O′′:O′′]dicadmium(II)], [Cd(C9H6O4)(C20H18N4)0.5] n or [Cd(HMPH)(4,4′-BMIBP)0.5] n [H2HMPH is homophthalic acid and 4,4′-BMIBP is 4,4′-bis(2-methylimidazol-1-yl)biphenyl], (I), was synthesized by the solvothermal method and was structurally characterized by means of single-crystal X-ray diffraction, IR spectroscopy and elemental analysis. Coordination polymer (I) exhibits a two-dimensional layer based on one-dimensional [Cd(HMPH)] n chains. Remarkably, photocatalytic degradation experiments on methylene blue (MB) indicated that (I) exhibits an obvious degradation effect. Moreover, an investigation of the luminescence properties of (I) revealed that it could be considered as a potential highly selective luminescence sensor for nitrofurantoin (NFT).

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A cadmium(II) coordination polymer with a fivefold interpenetrating diamondoid three-dimensional framework: synthesis, crystal structure, luminescence and photocatalytic properties

Cited by 3 publications

References 32 publications

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Synthesis, Characterization, Thermal Stability and Photocatalytic Activity of Hg(II) and Co(II) Complexes of Vanillin

A new two-dimensional cadmium(II) coordination polymer based on Cd₆(CHADC)₆ clusters (H₂CHADC is cyclohexane-1,2-dicarboxylic acid): synthesis, structure and properties

A new two-dimensional cadmium(II) coordination polymer based on the asymmetric dicarboxylic acid homophthalic acid: synthesis, structure and properties

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A cadmium(II) coordination polymer with a fivefold interpenetrating diamondoid three-dimensional framework: synthesis, crystal structure, luminescence and photocatalytic properties

Cited by 3 publications

References 32 publications

Synthesis, Characterization, Thermal Stability and Photocatalytic Activity of Hg(II) and Co(II) Complexes of Vanillin

Synthesis, Characterization, Thermal Stability and Photocatalytic Activity of Hg(II) and Co(II) Complexes of Vanillin

A new two-dimensional cadmium(II) coordination polymer based on Cd6(CHADC)6 clusters (H2CHADC is cyclohexane-1,2-dicarboxylic acid): synthesis, structure and properties

A new two-dimensional cadmium(II) coordination polymer based on the asymmetric dicarboxylic acid homophthalic acid: synthesis, structure and properties

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A new two-dimensional cadmium(II) coordination polymer based on Cd₆(CHADC)₆ clusters (H₂CHADC is cyclohexane-1,2-dicarboxylic acid): synthesis, structure and properties