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dc.contributor.authorFrost, Ray Leslie-
dc.contributor.authorLópez, Andrés-
dc.contributor.authorXi, Yunfei-
dc.contributor.authorGraça, Leonardo Martins-
dc.contributor.authorCipriano, Ricardo Augusto Scholz-
dc.identifier.citationFROST, 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.pt_BR
dc.description.abstractWe 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.pt_BR
dc.subjectRaman spectroscopypt_BR
dc.subjectInfrared spectroscopypt_BR
dc.titleA vibrational spectroscopic study of the borate mineral takedaite Ca3(BO3)2.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.rights.licenseO periódico Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3490880778248.pt_BR
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