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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SmSbPd by Materials Project

SmPdSb is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sm is bonded to six equivalent Pd and six equivalent Sb atoms to form a mixture of face and edge-sharing SmSb6Pd6 cuboctahedra. All Sm–Pd bond lengths are 3.30 Å. All Sm–Sb bond lengths are 3.30 Å. Pd is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Sb atoms. All Pd–Sb bond lengths are 2.65 Å. Sb is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmSbPd by Materials Project

SmPdSb crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to one Sm, six equivalent Pd, and six equivalent Sb atoms. The Sm–Sm bond length is 3.21 Å. There are three shorter (3.13 Å) and three longer (3.45 Å) Sm–Pd bond lengths. There are three shorter (3.27 Å) and three longer (3.59 Å) Sm–Sb bond lengths. Pd is bonded in a 10-coordinate geometry to six equivalent Sm, three equivalent Pd, and one Sb atom. All Pd–Pd bond lengths are 2.94 Å. The Pd–Sb bond length is 2.85 Å. Sb is bonded in a 10-coordinate geometry to six equivalent Sm, one Pd, and three equivalent Sb atoms. All Sb–Sb bond lengths are 2.92 Å.

36 MATERIALS SCIENCE↗