The syntheses of 3d–3d mixed heterometallic coordination polymers with magnetic properties |
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Authors: | Gui-Li Wang Xiao-Li Yang Jun Zhang Yi-Zhi Li Hong-Bin Du Xiao-Zeng You |
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Affiliation: | aState Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, 22 Hankou Road, Nanjing 210093, China |
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Abstract: | Novel 3d–3d heterometallic metal-organic frameworks, M(ox)(bipy)] (1, M = Co and Zn; 2, M = Co and Cd; ox = oxalate, bipy = 4,4-bipyridine), have been synthesized by using two bidentate ligands under hydrothermal conditions. The Co(II) and Zn(II) ions in 1, and Co(II) and Cd(II) in 2 are location disordered, with a molar ratio of 0.72:0.28, and 0.96:0.04, respectively. The co-existence of the two metal ions in the structures makes them more thermally stable than previously reported homometallic polymers of Co(II) or Zn(II) ions. Compound 1 exhibits weaker antiferromagnetism than the pure Co(II) complex owing to the incorporation of Zn(II). |
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Keywords: | Heterometallic Metal-organic framework Hydrothermal condition Magnetism |
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