The Cu4Cd 3 structure, cubic with a = 25.87/k and 1124 atoms in the unit cell, has been analyzed and described in terms of octahedra and tetrahedra. The structure is described as an intergrowth of blocks of the pyrochlore structure, of the Cu metal structure and also of the MgZn 2 and MgCu2 structures. Parameters of this ideal arrangement agree well with those of the observed structure.
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Yang et al. (1987) studied this question.
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