Vibrational spectroscopy of the borate mineral chambersite MnB7O13Cl – Implications for the molecular structure

Frost, Ray L., López, Andrés, Scholz, Ricardo, & Xi, Yunfei (2014) Vibrational spectroscopy of the borate mineral chambersite MnB7O13Cl – Implications for the molecular structure. Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy, 120, pp. 270-273.

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Abstract

Chambersite is a manganese borate mineral with formula: MnB7O13Cl and occurs as colorless crystals in the monoclinic pyramidal crystal system. Raman bands at 902, 920, 942 and 963 cm-1 are assigned to the BO stretching vibration of the B7O13 units. Raman bands at 1027, 1045, 1056, 1075 and 1091 cm-1 are attributed to the BCl in-plane bending modes. The intense infrared band at 866 cm-1 is assigned to the trigonal borate stretching modes. The Raman band at 660 cm-1 together with bands at 597, 642 679, 705 and 721 cm-1 are assigned to the trigonal and tetrahedral borate bending modes. The molecular structure of a natural chambersite has been assessed using vibrational spectroscopy.

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ID Code: 65134
Item Type: Journal Article
Refereed: Yes
Keywords: Borate, Chambersite, Ferroelectric properties, Raman spectroscopy, Infrared, Evaporite
DOI: 10.1016/j.saa.2013.10.026
ISSN: 13861425
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 2013 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 120, (2014)] DOI: 10.1016/j.saa.2013.10.026
Deposited On: 05 Dec 2013 22:43
Last Modified: 25 Feb 2016 06:02

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