Syntheses,characterization, and magnetic properties of two 3D frl topological frameworks constructed from nickel diphosphonates |
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| Authors: | Qing-Jun Niu Yue-Qing Zheng Hong-Lin Zhu Wei Xu |
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| Institution: | 1.Crystal Engineering Division, Center of Applied Solid State Chemistry Research,Ningbo University,Ningbo,People’s Republic of China |
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| Abstract: | Two 3D open-framework nickel diphosphonates, Ni3(H2zdn)2(bpe)2]·4H2O (1) and Ni3(H2zdn)2(bpy)2]·bpy·4H2O (2) (H5zdn = zoledronic acid, bpe = trans-4,4-vinylenedipyridine, bpy = 4,4′-dipyridyl), have been prepared and structurally characterized. In complex 1, the metal centers are linked by zoledronate ligands to generate a 2D layer, containing 14- and 24-membered rings. These 2D layers are further pillared by the bpe ligands into a 3D network structure with cylindrical channels. Magnetic susceptibility measurements reveal ferrimagnetism at T c = 3.8 and 4.4 K for complexes 1 and 2, respectively. |
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