具有三维空旷骨架的磷酸嫁的合成与结构
首发时间:2009-01-12
摘要:本文在水热条件下以三乙烯四胺为模板剂合成出一个三维磷酸镓化合物[(H3+O)3]4[Ga6P6O28H][C6H22N4]4(命名为GaPO-TETA),并对其结构进行了详尽的讨论。单晶X 射线衍射分析表明,化合物GaPO-TETA属于正交晶系, Pca21空间群. 晶胞参数:a=18.368(4)Å, b=10.067(2)Å, c=16.126(3)Å, V=2981.8(10)Å3, Z=4, R1= 0.0599[I> 2σ(I)]和wR2= 0.1429. 其无机骨骨架GaO5/GaO6和PO4多面体相互连接构成,含有[010]方向的10元环孔道,模板剂分子存在于10元环孔道中。
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Hydrothermal Synthesis and structures of a New three-dimensional Gallophosphate
Abstract:In this paper, two new three-dimensional gallophosphate, named GaPO-TETA and GaPO-MPMD were synthesized hydrothermally, by using triethylenetetramine (TETA) and 2-Methyl-1,2-pentanediamine as structure-directing agent.Respectively, GaPO-TETA crystallizes in the orthorhombic system, space group Pca21, with a=18.368(4)Å,b=10.067(2)Å,c=16.126(3)Å,V=2981.8(10)Å3,Z=4, R1=0.0599[I>2σ(I)]and wR2= 0.1429. The gallium atoms show two different coordination spheres: GaO5 trigonal bipyramid and GaO6 octahedron. Gallium atoms are linked together via PO4 tetrahedron to form 3-D structure, which contains 10-ring channels along the [010] direction.
Keywords: Hydrothermal syntheses gallophosphate three-dimensional
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