A vibrational spectroscopic study of the copper bearing silicate mineral luddenite

Frost, Ray L., López, Andrés, Xi, Yunfei, & Scholz, Ricardo (2015) A vibrational spectroscopic study of the copper bearing silicate mineral luddenite. Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy, 137, pp. 717-720.

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The molecular structure of the copper–lead silicate mineral luddenite has been analysed using vibrational spectroscopy. The mineral is only one of many silicate minerals containing copper. The intense Raman band at 978 cm−1 is assigned to the ν1 (A1g) symmetric stretching vibration of Si5O14 units. Raman bands at 1122, 1148 and 1160 cm−1 are attributed to the ν3 SiO4 antisymmetric stretching vibrations. The bands in the 678–799 cm−1 are assigned to OSiO bending modes of the (SiO3)n chains. Raman bands at 3317 and 3329 cm−1 are attributed to water stretching bands. Bands at 3595 and 3629 cm−1 are associated with the stretching vibrations of hydroxyl units suggesting that hydroxyl units exist in the structure of luddenite.

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ID Code: 76461
Item Type: Journal Article
Refereed: Yes
Keywords: Luddenite, Copper silicate, Raman spectroscopy, Infrared spectroscopy
DOI: 10.1016/j.saa.2014.08.026
ISSN: 1386-1425
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier B.V.
Copyright Statement: 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 137, (2014)] DOI: 10.1016/j.saa.2014.08.026
Deposited On: 02 Oct 2014 00:31
Last Modified: 05 Oct 2014 04:25

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