A vibrational spectroscopic study of tengerite-(Y) Y2(CO3)3 2-3H2O

被引：2
|
作者：
Frost, Ray L. [1 ]
Lopez, Andres [1 ]
Wang, Lina [1 ,2 ]
Scholz, Ricardo [3 ]
Sampaio, Ney Pinheiro [4 ]
de Oliveira, Fernando A. N. [5 ]
机构：
[1] Queensland Univ Technol, Fac Sci & Engn, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
[2] Tianjin Univ Technol, Sch Chem & Chem Engn, Tianjin, Peoples R China
[3] Univ Fed Ouro Preto, Sch Mines, Dept Geol, BR-3540000 Ouro Preto, MG, Brazil
[4] Univ Fed Ouro Preto, Sch Mines, NanoLab REDEMAT, BR-3540000 Ouro Preto, MG, Brazil
[5] Fed Inst Minas Gerais, BR-3540000 Ouro Preto, MG, Brazil
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2015年 / 137卷
基金：
澳大利亚研究理事会;
关键词：
Tengerite-(Y); Carbonate; Hydroxyl; Infrared and Raman spectroscopy; RARE-EARTH CARBONATES; SINGLE-CRYSTALS;
D O I：
10.1016/j.saa.2014.08.107
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The mineral tengerite-(Y) has been studied by vibrational spectroscopy. Multiple carbonate stretching modes are observed and support the concept of non-equivalent carbonate units in the tengerite-(Y) structure. Intense sharp bands at 464, 479 and 508 cm(-1) are assigned to YO stretching modes. Raman bands at 765 and 775 cm(-1) are assigned to the CO32- v(4) bending modes and Raman bands at 589, 611, 674 and 689 cm(-1) are assigned to the CO32- v(2) bending modes. Multiple Raman and infrared bands in the OH stretching region are observed, proving the existence of water in different molecular environments in the structure of tengerite-(Y). (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：612 / 616
页数：5
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