Static
permittivity (ε0m) and permittivity at
optical frequency (ε∞m) of the binary mixtures
of 3-bromoanisole (3-BA) and 1-propanol (1-PrOH) at different concentrations
were measured at four different temperatures (303.15 K, 313.15 K,
323.15 K, and 333.15 K). The static permittivity (ε
0m
) was measured by using precision LCR meter at 2
MHz frequency. The permittivity at optical frequency (ε
∞m
) was taken as square of refractive
index, which was measured using Abbe’s refractometer. The excess
dielectric parameters, Kirkwood correlation factors, and Bruggeman
factor were evaluated. The excess parameters were fitted to the Redlich–Kister
equation. The Kirkwood effective correlation factor of 3-BA is smaller
than that of 1-PrOH at all temperatures. The Bruggeman plot shows
a deviation from linearity. The determined parameters have been interpreted
in terms of molecular interaction between the molecular species of
the binary mixtures.
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