High-pressure Raman spectroscopic and other structural studies of hydrotalcites containing intercalated dicarboxylic acid anions

被引：5

作者：

Wright, Josh ^{[1
]}

Barsan, Mirela M. ^{[1
]}

Butler, Ian S. ^{[1
]}

Gilson, Denis F. R. ^{[1
]}

Adebajo, Moses O. ^{[2
]}

Frost, Ray L. ^{[3
]}

机构：

[1] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada

[2] Univ Queensland, ARC Ctr Excellence Funct Nanomat, Australian Inst Bioengn & Nanotechnol, St Lucia, Qld 4072, Australia

[3] Queensland Univ Technol, Discipline Chem, Brisbane, Qld 4001, Australia

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 2011年 / 42卷 / 07期

基金：

澳大利亚研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

Raman spectroscopy; high pressure; hydrotalcites; dicarboxylates; structure; LAYERED DOUBLE HYDROXIDES; SATURATED ALIPHATIC-COMPOUNDS; VIBRATIONAL-SPECTRA; PHASE-TRANSITION; POTASSIUM-SALTS; ALKALINE-SALTS; SOLID-STATE; SERIES; CO; COMPRESSION;

D O I：

10.1002/jrs.2881

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The results of pressure-tuning Raman spectroscopic, X-ray powder diffraction and solid-state C-13-NMR studies of selected dicarboxylate anions intercalated in a Mg-Al layered double hydroxide lattice are reported. The pressure dependences of the vibrational modes are linear for pressures up to 4.6 GPa, indicating that no phase transitions occur. The interlayer spacings show that the oxalate, malonate and succinate dianions are oriented perpendicular to the layers, but the glutarate and adipate are tilted. The solid-state C-13-NMR spectra of these materials show full chemical shift anisotropy and, therefore, the anions are not mobile at room temperature. Copyright (c) 2011 John Wiley & Sons, Ltd.

引用

页码：1562 / 1566

页数：5

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