Raman spectroscopy of the arsenate and sulphates of the tsumcorite mineral group

被引：34

作者：

Frost, RL ^{[1
]}

Kloprogge, JT ^{[1
]}

Martens, WN ^{[1
]}

机构：

[1] Queensland Univ Technol, Sch Phys & Chem Sci, Inorgan Mat Res Program, Brisbane, Qld 4001, Australia

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 2004年 / 35卷 / 01期

关键词：

factor group analysis; tsumcorite; natrochalcite; gartrellite;

D O I：

10.1002/jrs.1076

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The structure of a selection of arsenate-and sulphate-based minerals of the tsumcorite group was studied by the combination of Raman and infrared spectroscopy. A comparison is made with the sulphate-bearing mineral natrochalcite. Isomorphic substitution of sulphate for arsenate is observed for gartrellite and thometzekite. The positions of the hydroxyl and water stretching vibrations are related to the strength of the hydrogen bond formed between the OH unit and the AsO4 anion. Estimates of the hydrogen bond distances are calculated using a Libowitzky-type function. Characteristic Raman spectra of the minerals allow the assignment of the bands to specific vibrational modes. Copyright (C) 2004 John Wiley Sons, Ltd.

引用

页码：28 / 35

页数：8

共 14 条

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[9] Raman spectroscopy of synthetic erythrite, partially dehydrated erythrite and hydrothermally synthesized dehydrated erythrite
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[10] The basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase: An infrared emission and Raman spectroscopic study
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