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Title: A vibrational spectroscopic study of the borate mineral takedaite Ca3(BO3)2.
Authors: Frost, Ray Leslie
López, Andrés
Xi, Yunfei
Graça, Leonardo Martins
Cipriano, Ricardo Augusto Scholz
Keywords: Takedaite
Raman spectroscopy
Infrared spectroscopy
Issue Date: 2014
Citation: FROST, R. L. et al. A vibrational spectroscopic study of the borate mineral takedaite Ca3(BO3)2. Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, v. 132, p. 833-837, 2014. Disponível em: <>. Acesso em: 30 set. 2014.
Abstract: We have studied the mineral takedaite Ca3(BO3)2, a borate mineral of calcium using SEM with EDX and vibrational spectroscopy. Chemical analysis shows a homogeneous phase, composed of Ca. Boron was not detected. A very intense Raman band at 1087 cm^-1 is assigned to the BO stretching vibration of BO3 units. Additional Raman bands may be due to isotopic splitting. In the infrared spectrum, bands at 1218 cm^-1 and at 1163, 1262 and 1295 cm^-1 are assigned to the trigonal borate stretching modes. Raman bands at 712 and 715 cm^-1 are assigned to the in-plane bending modes of the BO3 units. Vibrational spectroscopy enables aspects of the molecular structure of takedaite to be assessed.
ISSN: 1386-1425
metadata.dc.rights.license: O periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3490880778248.
Appears in Collections:DEGEO - Artigos de periódicos

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