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Materials Data on SmRe3 by Materials Project

SmRe3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sm is bonded in a distorted body-centered cubic geometry to fourteen Re atoms. There are eight shorter (2.83 Å) and six longer (3.27 Å) Sm–Re bond lengths. There are two inequivalent Re sites. In the first Re site, Re is bonded to four equivalent Sm and four equivalent Re atoms to form a mixture of distorted face, edge, and corner-sharing ReSm4Re4 tetrahedra. All Re–Re bond lengths are 2.83 Å. In the second Re site, Re is bonded in a 8-coordinate geometry to six equivalent Sm and eight equivalent Re atoms.

36 MATERIALS SCIENCE↗

Materials Data on SmRe2 by Materials Project

SmRe2 is Hexagonal Laves structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to twelve Re atoms. There are three shorter (3.19 Å) and nine longer (3.22 Å) Sm–Re bond lengths. There are two inequivalent Re sites. In the first Re site, Re is bonded to six equivalent Sm and six equivalent Re atoms to form a mixture of face, edge, and corner-sharing ReSm6Re6 cuboctahedra. All Re–Re bond lengths are 2.76 Å. In the second Re site, Re is bonded to six equivalent Sm and six Re atoms to form a mixture of face, edge, and corner-sharing ReSm6Re6 cuboctahedra. There are two shorter (2.68 Å) and two longer (2.81 Å) Re–Re bond lengths.

36 MATERIALS SCIENCE↗