(C5H16N2)·[Zn3(HPO3)4]·H2O: A new three-dimensional zincophosphite with 12-membered ring channels and infinite edge shared 4-membered ring ladders |
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Authors: | Lei Wang Shouhua Feng |
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Institution: | State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P.R. China |
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Abstract: | Employing 3-dimethylamino-1-propylamine as a template, a new three-dimensional (3-D) zincophosphite (C5H16N2)·Zn3(HPO3)4]·H2O has been prepared under hydrothermal conditions and characterized by single-crystal X-ray diffraction (XRD), FTIR, elemental analysis, powder XRD, and thermogravimetric analysis (TGA). The compound crystallizes in the triclinic space group , with cell parameters, a=8.9884(2) Å, b=10.326(2) Å, c=11.917(2) Å, α=66.98(3)°, β=89.01(3)°, and γ=78.98(3)°, V=997.2(3) Å3 and Z=2. The connectivity of the ZnO4 tetrahedra and HPO3 pseudo pyramids results in inifinite edge-sharing, ladderlike chains of 4-membered rings, which are further linked by Zn-O-P bonds to form a 3-D structure that with interesting 12-membered ring channels along the 100] and 001] directions. The diprotonated amine molecules sit in the middle of the channels along the 100] direction and interact with the framework via hydrogen bonds. There also exist channels with 8-membered ring window along the 100] and 010] directions. |
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Keywords: | Hydrothermal synthesis Organically templated Zincophosphites Structural characterization |
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