Abstract
AbstractThe electronic dielectric constant and fractional ionic character of the chemical bond are calculated for the mixed crystals NaClNaBr, KClKBr, KBrKI, CsClCsBr, CsClRbCl, and CsClKCl for the entire range of composition. The first four solid solutions are with common cations whereas the last two are formed of substances with common anions. For the electronic dielectric constant a comparison is given of the values calculated from the Clausius‐Mossotti relation and the Pantelides formulation. For evaluating the fractional ionic character application is made of Phillips' and Pauling's theories. The calculated values are found to depend sensitiviely on the composition parameter of mixed crystals.
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