Dielectric properties of binary solvent mixtures of dimethyl sulfoxide with water.
In this paper, the dielectric properties of water-dimethylsulfoxide (DMSO) mixtures with different mole ratios have been investigated in the range of 1 GHz to 40 GHz at 298 K by using a molecular dynamics (MD) simulation. Only one dielectric loss peak was observed in the frequency range and the relaxation in these mixtures can be described by a single relaxation time of the Davidson-Cole. It was observed that within experimental error the dielectric relaxation can be described by the Debye-like model (beta approximately 1, S.M. Puranik, et al. J. Chem. Soc. Faraday Trans.1992, 88, 433 - 435). In general, the results are very consistent with the experimental measurements.
Yang
Li-Jun
LJ
Sichuan University, Chengdu, P R China. ljyang320@163.com <ljyang320@163.com>
Yang
Xiao-Qing
XQ
Huang
Ka-Ma
KM
Jia
Guo-Zhu
GZ
Shang
Hui
H
D004121:Dimethyl Sulfoxide / Q000737:chemistry*; D008956:Models, Chemical; D056004:Molecular Dynamics Simulation; D012997:Solvents / Q000737:chemistry; D013696:Temperature; D013816:Thermodynamics; D014867:Water / Q000737:chemistry*
D012997:Solvents; D014867:Water; D004121:Dimethyl Sulfoxide