Dielectric constants, D, for anisóle and bromobenzene were obtained from the equation for total polarization (10), P, where d is density, M is molecular weight, A is a constant, P' is the distortion polarization, and T is the absolute temperature. Using the molar refraction to estimate (10) P' and literature values for D and d at a known T, values for A were calculated. Then values for D at 144.4°C. were obtained by use of the density values at 144.4°C. The D value for n-decane was obtained from the relation n2 = D for strictly nonpolar compounds.
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