Synthesis and characterization of an organically templated lamellar vanadium-gallium phosphate, [NH3(CH2)2NH3]4[Ga4-xVx(HPO4)5(PO4)3H(OH)2](x=1.65)

被引：13

作者：

Chippindale, AM ^{[1
]}

Cowley, AR

机构：

[1] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England

[2] Univ Oxford, Chem Crystallog Lab, Oxford OX1 3PD, England

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2001年 / 159卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

solvothermal synthesis; crystal structure; single-crystal XRD; MeGaPO; vanadium-gallium phosphate; organically templated; layer structure; open-framework structure;

D O I：

10.1006/jssc.2001.9130

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new two-dimensional vanadium-gallium phosphate (VGaPO), [NH3(CH2)(2)NH3](4)[Ga4-xVx(HPO4)(5)(PO4)(3)H(OH)(2)] (x = 1.65), has been synthesized under solvothermal conditions at 433 K in the presence of ethylenediamine and the structure determined using room-temperature single-crystal X-ray diffraction data (M-r = 1296.22, triclinic, space group P-1; a = 9.991(1), b = 12.367(1), and c = 15.082(1) Angstrom; alpha = 90.751(6), beta = 91.720(7), and gamma =91,449(8)degrees; V = 1861.8.4 Angstrom (3); Z = 2; R = 3.93% acid R-w = 4.77% for 5985 observed data (I>3(sigma (I))). The inorganic layers consist of PO4 tetrahedra and M4O20, (M = V, Ga) tetramers assembled from edge- and corner-sharing MO6 octahedra. The structure contains various types of hydrogen bonding interactions: short symmetrical and asymmetrical hydrogen bonds within the layers, strong interlamellar hydrogen bonds holding the layers together, and amine-framework interactions holding the ethylenediammonium cations in place in the interlayer voids. (C) 2001 Academic Press.

引用

页码：59 / 67

页数：9

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