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Type: Artigo de periódico
Title: Microstructures formation in a seemingly ideal homogeneous mixture of ethanol and methanol: An experimental evidence and two-dimensional correlation spectroscopy approach
Author: Mello, C
Mello, T
Severi, E
Coelho, L
Ribeiro, D
Marangoni, A
Poppi, RJ
Noda, I
Abstract: An anomalous solution behavior at the molecular scale was observed for macroscopically homogeneous mixtures of methanol and ethanol. Two-dimensional Raman correlation spectroscopy was used to elucidate the possible existence of microstructures formed in the mixture. The result suggests that separate methanol and ethanol clusters are formed without heterohydrogen bonding between different alcohol species. Supramolecular structures seem to be formed by the interaction of such clusters with each other through cohesion and dispersion forces, but not through direct hydrogen bonding connections.
Subject: liquid mixtures
liquid structure
organic compounds
Raman spectra
two-dimensional spectra
Country: EUA
Editor: Amer Inst Physics
Citation: Journal Of Chemical Physics. Amer Inst Physics, v. 131, n. 8, 2009.
Rights: aberto
Identifier DOI: 10.1063/1.3206913
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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