Abstract
Employing 3-dimethylamino-1-propylamine as a template, a new three-dimensional (3-D) zincophosphite (C 5H 16N 2)·[Zn 3(HPO 3) 4]·H 2O 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 P 1 ¯ , 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) Å 3 and Z=2. The connectivity of the ZnO 4 tetrahedra and HPO 3 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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