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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SmPbAu2 by Materials Project

SmAu2Pb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sm is bonded in a body-centered cubic geometry to eight equivalent Au and six equivalent Pb atoms. All Sm–Au bond lengths are 3.13 Å. All Sm–Pb bond lengths are 3.62 Å. Au is bonded in a body-centered cubic geometry to four equivalent Sm and four equivalent Pb atoms. All Au–Pb bond lengths are 3.13 Å. Pb is bonded in a 8-coordinate geometry to six equivalent Sm and eight equivalent Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmPbAu by Materials Project

SmAuPb 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 Au and six equivalent Pb atoms to form a mixture of edge and face-sharing SmPb6Au6 cuboctahedra. All Sm–Au bond lengths are 3.39 Å. All Sm–Pb bond lengths are 3.39 Å. Au is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Pb atoms. All Au–Pb bond lengths are 2.82 Å. Pb is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Au atoms.

36 MATERIALS SCIENCE↗