A Raman spectroscopic study of the basic carbonate mineral callaghanite Cu2Mg2(CO3)(OH)6⋅2H2O
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23/01/2013
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| Resumo |
Raman spectrum of callaghanite, Cu2Mg2(CO3)(OH)6⋅2H2O, was studied and compared with published Raman spectra of azurite, malachite and hydromagnesite. Stretching and bending vibrations of carbonate and hydroxyl units and water molecules were tentatively assigned. Approximate O–H…O hydrogen bond lengths were inferred from the spectra. Because of the high content of hydroxyl ions in the crystal structure in comparison with low content of carbonate units, callaghanite should be better classified as a carbonatohydroxide than a hydroxycarbonate. |
| Formato |
application/pdf |
| Identificador | |
| Publicador |
Elsevier |
| Relação |
http://eprints.qut.edu.au/58840/4/58840.pdf DOI:10.1016/j.saa.2013.01.033 Čejka, Jiří, Sejkora, Jiří, Jebavá, Ivana, Xi, Yunfei, Couperthwaite, Sara J., & Frost, Ray L. (2013) A Raman spectroscopic study of the basic carbonate mineral callaghanite Cu2Mg2(CO3)(OH)6⋅2H2O. Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy, 108, pp. 171-176. |
| Direitos |
Copyright 2013 Elsevier B.V. All rights reserved This is the author’s version of a work that was accepted for publication in Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy, [VOL 108, ISSUE -, (2013)] DOI: 10.1016/j.saa.2013.01.033 |
| Fonte |
School of Chemistry, Physics & Mechanical Engineering; Science & Engineering Faculty |
| Palavras-Chave | #030606 Structural Chemistry and Spectroscopy #Callaghanite #Carbonatohydroxide #Raman spectroscopy #Hydroxyl ions #Carbonate ions #Molecular water |
| Tipo |
Journal Article |
