Infrared and Raman spectroscopic characterization of the Borate mineral Vonsenite

Frost, Ray L., Scholz, Ricardo, López, Andrés, Xi, Yunfei, & Belotti, Fernanda Maria (2014) Infrared and Raman spectroscopic characterization of the Borate mineral Vonsenite. Spectroscopy Letters, 47(7), pp. 512-517.

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Abstract

There are a large number of boron-containing minerals, of which vonsenite is one. Some discussion about the molecular structure of vonsenite exists in the literature. Whether water is involved in the structure is ill-determined. The molecular structure of vonsenite has been assessed by the combination of Raman and infrared spectroscopy. The Raman spectrum is characterized by two intense broad bands at 997 and 1059 cm−1 assigned to the BO stretching vibrational mode. A series of Raman bands in the 1200–1500 cm−1 spectral range are attributed to BO antisymmetric stretching modes and in-plane bending modes. The infrared spectrum shows complexity in this spectral range. No Raman spectrum of water in the OH stretching region could be obtained. The infrared spectrum shows a series of overlapping bands with bands identified at 3037, 3245, 3443, 3556, and 3614 cm−1. It is important to understand the structure of vonsenite in order to form nanomaterials based on its structure. Vibrational spectroscopy enables a better understanding of the structure of vonsenite.

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ID Code: 70036
Item Type: Journal Article
Refereed: Yes
Keywords: borate, infrared spectroscopy, ludwigite, molecular structure, Raman spectroscopy, vonsenite
DOI: 10.1080/00387010.2013.818553
ISSN: 1532-2289
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 Taylor & Francis Group, LLC
Copyright Statement: This is an Accepted Manuscript of an article published by Taylor & Francis Group in Spectroscopy Letters on 08 April 2014, available online at: http://www.tandfonline.com/10.1080/00387010.2013.818553
Deposited On: 10 Apr 2014 03:14
Last Modified: 06 Nov 2015 06:19

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