Fabrication, Crystal Structures, Catalytic, and Anti-Wear Performance of 3D Zinc(II) and Cadmium(II) Coordination Polymers Based on an Ether-Bridged Tetracarboxylate Ligand

Two 3D Zn(II) and Cd(II) coordination polymers, [Zn2(µ4-dppa)(µ-dpe)(µ-H2O)]n·nH2O (1) and [Cd2(µ8-dppa)(µ-dpe)(H2O)]n (2), have been constructed hydrothermally using 4-(3,5-dicarboxyphenoxy)phthalic acid (H4dppa), 1,2-di(4-pyridyl)ethylene (dpe), and zinc or cadmium chlorides. Both compounds featur...

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Bibliographic Details
Published inCrystals (Basel) Vol. 13; no. 12; p. 1681
Main Authors Zhao, Zheng-Hua, Zhang, Qin, Liu, Yu-Feng, Gu, Jin-Zhong, Shi, Zi-Fa
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.12.2023
Subjects
carboxylic acids
catalysis
coordination polymer
Coordination polymers
Crystals
Friction
Hydrocarbons
hydrothermal generation
Knoevenagel condensation
Ligands
Polymers
Radiation
Room temperature
Solvents
Spectrum analysis
Temperature
Thermal stability
topological analysis
Topology
Wear resistance
Zinc
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Summary:Two 3D Zn(II) and Cd(II) coordination polymers, [Zn2(µ4-dppa)(µ-dpe)(µ-H2O)]n·nH2O (1) and [Cd2(µ8-dppa)(µ-dpe)(H2O)]n (2), have been constructed hydrothermally using 4-(3,5-dicarboxyphenoxy)phthalic acid (H4dppa), 1,2-di(4-pyridyl)ethylene (dpe), and zinc or cadmium chlorides. Both compounds feature 3D network structures. Their structure and topology, thermal stability, catalytic, and anti-wear properties were investigated. Particularly, excellent catalytic performance was displayed by zinc(II)-polymer 1 in the Knoevenagel condensation reaction at room temperature.
ISSN:2073-4352
2073-4352
DOI:10.3390/cryst13121681