Abstract
The τ-boride Ni23-xBixB6 [x = 2.44 (1)] adopts a ternary variant of the cubic Cr23C6-type structure, with Ni8 cubes and Ni12 cuboctahedra arranged in a NaCl-type pattern. Two of the four independent metal sites (8c, 3m symmetry; 4a, m m symmetry) are occupied by a mixture of Ni and Bi atoms in a 0.106 (6):0.894 (6) and a 0.350 (7):0.650 (7) ratio, respectively.
Highlights
The -boride Ni23-xBixB6 [x = 2.44 (1)] adopts a ternary variant of the cubic Cr23C6-type structure, with Ni8 cubes and Ni12 cuboctahedra arranged in a NaCl-type pattern
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: MG2107)
For other examples of -borides, which have more than 80 representatives, see: Villars & Calvert (1985)
Summary
Two of the four independent metal sites (8c, 43m symmetry; 4a, m3m symmetry) are occupied by a mixture of Ni and Bi atoms in a 0.106 (6):0.894 (6) and a 0.350 (7):0.650 (7) ratio, respectively
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