Artículos de revistas
Microstructures formation in a seemingly ideal homogeneous mixture of ethanol and methanol: An experimental evidence and two-dimensional correlation spectroscopy approach
Registro en:
Journal Of Chemical Physics. Amer Inst Physics, v. 131, n. 8, 2009.
0021-9606
WOS:000269723100012
10.1063/1.3206913
Autor
Mello, C
Mello, T
Severi, E
Coelho, L
Ribeiro, D
Marangoni, A
Poppi, RJ
Noda, I
Institución
Resumen
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) 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. 131 8 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)