K2Fe(C2O4)(HPO4)(OH2) · H2O: A layered oxalatophosphate hybrid material |
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| Authors: | Xin Yang Jiang Li Shenyi Shi |
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| Institution: | a Department of Chemistry, East China Normal University, Shanghai 200062, China
b Institute of Applied Catalysis, Yantai University, Shandong Province 264005, China |
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| Abstract: | One novel layered oxalatophosphate structure K2Fe(C2O4)(HPO4)(OH2) · H2O (1) has been synthesized by hydrothermal method. X-ray crystallography reveals that the complex 1 possesses a 2D layered structure constructed from octahedral FeO6, tetrahedral  moieties and multidentate oxalate ligands with the K+ cations among the layers. It is noteworthy that the oxalate anion as a tetradentate ligand bonds to three iron atoms in bidentate-chelating mode on one side and in monodentate-bridging mode on the other, thus forming a neutral iron oxalate sheet. This new structural feature can be considered as the third role of the oxalate ions in metal oxalatophosphate chemistry. |
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| Keywords: | Layered oxalatophosphate Hybrid material Iron X-ray crystal structure |
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