Structural changes in ethanol–water mixtures: Ultrasonics, Brillouin scattering and molecular dynamics studies

Structural changes in ethanol–water mixtures: Ultrasonics, Brillouin scattering and molecular dynamics studies

Mixing of two hydrogen-bonded liquids may lead to significant composition dependent changes of liquid microscopic structure, which in turn will be reflected by changes of the corresponding thermodynamic, thermophysical and spectroscopic properties. For the liquid system {xEtOHC2H5OH+(1−xEtOH)H2O} at...

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Veröffentlicht in:Vibrational spectroscopy 2012-05, Vol.60, p.102-106
Hauptverfasser: Asenbaum, A., Pruner, C., Wilhelm, Emmerich, Mijakovic, M., Zoranic, L., Sokolic, F., Kezic, B., Perera, A.
Format: Artikel
Sprache:eng
Schlagworte:
Brillouin scattering
Chemical Physics
Dynamics
Ethanol
Ethanol–water mixtures
Ethyl alcohol
Liquids
Molecular dynamics
Moles
Physics
Scattering
Sound dispersion
Spectroscopy
Ultrasonics
Water
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Zusammenfassung:Mixing of two hydrogen-bonded liquids may lead to significant composition dependent changes of liquid microscopic structure, which in turn will be reflected by changes of the corresponding thermodynamic, thermophysical and spectroscopic properties. For the liquid system {xEtOHC2H5OH+(1−xEtOH)H2O} at ambient temperatures and pressures, we show that major structural rearrangements occur in the composition range of 0.15
ISSN:0924-2031
1873-3697
DOI:10.1016/j.vibspec.2011.10.015