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The inner-displacement tensor for magnesium has been calculated by minimizing the binding energy of the strained crystal as a function of the inner displacement. The binding energy is calculated by the pseudopotential method. The pseudopotential has two parameters, which were determined by fitting the c/a ratio and the elastic constant (c₃₃+1/2c₁₁+1/2c₁₂-2c₁₃).
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Floyd et al. (1968) studied this question.
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