Magnetism and Structure of a 3D Uncommon Pentanuclearcopper(II) Coordination Polymer
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A 3D coordination polymer, [Na3KCu5(Tar)2(HTar)2(H2O)7] (I) (H2Tar = tartaric acid), was synthesized by the reaction of potassium sodium tartrate and Cu(NO3)2 and characterized by X-ray single crystal diffraction (СIF file CCDC no. 1575976). Complex I is built up in a shell-like manner based on inner two symmetry-related pentanuclear copper cores, the cores are surrounded by coordinated synchronously Na and K atoms, which shapes into 3D nanoporous architecture. Additionally, I exhibits antiferromagnetic behavior.
Keywords:tartaric acid heteronuclear metal magnetism
This work was partially supported by the grants from Innovative Entrepreneurial Training Plan of undergraduates in Guangdong Province (nos. 201710571007, 201710571012, 201710571019, 2017105710116, 201710571048, 201710571060, 201710571078), the Public Research and Capacity Building Projects of Department of Guangdong Province (no. 2017A010103022), Natural Science Foundation of Guangdong Province (no. 2017A030313079) and Science Foundation funded project of Guangdong Medical University (nos. Z2016001 and M2016023) and the Japan Society for the Promotion of Science (JSPS) KAKENHI (no. 15K05445).