Abstract
A new potential model and a recent method of calculation [K. P. T hakur , Acta Crystallogr. A 32 (1976) 363] have been employed to calculate the values of cohesive energy W , Zero point energy ε , force constant f , i.r. absorption frequency v o , Debye temperature Θ D , Grüneisen parameter γ , Anderson-Grüneisen parameter δ and Moelwyn-Hughes parameter C 1 of 19 alkaline earth chalcides and 10 heavy metal halides. Wherever possible, experimental values and theoretical values, obtained by earlier workers, have also been shown for comparison. In most cases, the calculated values are in fair agreement with the other available data which support the validity of the new potential model and the new method of calculation for the alkaline earth chalcide and heavy metal halide crystals as well.
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