Statistical mechanics and generalised linear response theory based approaches are employed to derive the analytical expressions for size-dependent dielectric constant and normalised orientation polarisation of solvents. As an illustrative example, water is considered and the dielectric constants for the same ...
The dielectric constant of water in presence of increasing concentrations of weakly protic solvents depressing the freezing point has been measured. The same measurements have been carried out for various volume ratios between 20°C and the freezing point, as well as in presence of glycine. The co...
Dielectric constants of solvents reduce as temperatures increase due to accelerated mobility of molecules. For solvent mixtures with different mixing ratios, their dielectric constants either follow a linear superposition rule or satisfy a polynomial function, depending on weak or strong intermolecular ...
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We examine the behavior of the Stockmayer fluid over a range of dipole densities that covers known organic solvents, as well as that of an ellipsoidal Stockmayer-like fluid, using NVT rigid-body Monte Carlo simulations. Both fluids are examined under different electrostatic boundary conditions and ...
Computation of dielectric constants of solvent mixtures and electrolyte solutions A general model has been developed for calculating the static dielectric constant of mixed-solvent electrolyte solutions. For mixtures of solvents without ... P Wang,A Anderko - 《Fluid Phase Equilibria》 被引量: 221发...
function of temperature at a constant pressure (Akizuki et al., 2014). As depicted in this figure, the dielectric constant of water decreases sharply with the increase of water temperature. The dielectric constants of water at temperatures of 280 and 300°C with pressure of 25MPa are similar ...
At the highest micellar concentrations where the experimental dielectric constants show a sudden increase, the result can be theoretically explained by introducing an axial ratio of 2–3. This result is in excellent agreement with earlier data obtained from geometrical calculations, viscosity, and X-...
Dielectric constant of the mixture (1) N,N-dimethylformamide; (2) 2-ethoxyethanol This document is part of Volume 17 `Static Dielectric Constants of Pure Liquids and Binary Liquid Mixtures (Supplement to IV/6)' of Landolt-Börnstein Gr... C Wohlfarth 被引量: 0发表: 2008年 Conductance stud...
In line with the Materials Project practice, users will be able to request calculated dielectric constants for compounds that are not currently listed. The existence of a database such as the one presented here, opens opportunities in data intensive Materials Science. For example, the application ...