Hydrothermal synthesis of a new organic-inorganic hybrid with Dawson type polyanions as building blocks: Na3(C7NH8O2)3[P2W18O62]•16H2O

被引：5
|
作者：
Hmida, Fatma [1 ]
Ayed, Brahim [1 ]
Haddad, Amor [1 ]
机构：
[1] Univ Ctr, Fac Sci Monastir, Dept Chim, Lab Mat & Cristallochim, Monastir 5019, Tunisia
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2016年 / 1116卷
关键词：
Chemical synthesis; X-ray diffraction; H-bonds; Polyoxometalates; Anderson anion; Infrared spectroscopy; COMPLEX FRAGMENTS; POLYOXOMETALATE; POLYOXOANION; CLUSTERS; POLYMER; ANIONS;
D O I：
10.1016/j.molstruc.2016.03.046
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A new organic inorganic hybrid compound based on dawson polyoxotungstate, Na-3(C7NH8O2)(3) [P2W18O62]center dot 16H(2)O have been isolated under autogenous pressure method and characterized by single crystal X-ray diffraction, infrared, ultraviolet spectroscopy, cyclic voltammetry and Thermogravimetric analysis (TGA). This compound crystallized in the triclinic system, space group P-1, with a = 14,063 (1) angstrom; b = 17.009 (1) angstrom; c = 17.868 (1) angstrom; alpha = 79.88 (1)degrees; beta = 77.14 (1)degrees; gamma = 79.25 (1)degrees and Z = 2. The crystal structures of the compounds exhibit three-dimensional supramolecular assembly based on the extensive hydrogen bonding interactions between organic cations, sodium cations, water molecules and Dawson polyoxoanions. The infrared spectrum fully confirms the X-ray crystal structure and the UV spectrum of the title compound exhibits an absorption peak at 295 nm. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：218 / 225
页数：8
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