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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sm2In by Materials Project

Sm2In crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Sm sites. In the first Sm site, Sm is bonded in a 6-coordinate geometry to eight Sm and six equivalent In atoms. There are two shorter (3.46 Å) and six longer (3.64 Å) Sm–Sm bond lengths. All Sm–In bond lengths are 3.64 Å. In the second Sm site, Sm is bonded to six equivalent Sm and five equivalent In atoms to form a mixture of distorted face and corner-sharing SmSm6In5 trigonal bipyramids. There are three shorter (3.20 Å) and two longer (3.46 Å) Sm–In bond lengths. In is bonded in a 11-coordinate geometry to eleven Sm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmIn3 by Materials Project

SmIn3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Sm is bonded to twelve equivalent In atoms to form SmIn12 cuboctahedra that share corners with twelve equivalent SmIn12 cuboctahedra, edges with twenty-four equivalent InSm4In8 cuboctahedra, faces with six equivalent SmIn12 cuboctahedra, and faces with twelve equivalent InSm4In8 cuboctahedra. All Sm–In bond lengths are 3.31 Å. In is bonded to four equivalent Sm and eight equivalent In atoms to form distorted InSm4In8 cuboctahedra that share corners with twelve equivalent InSm4In8 cuboctahedra, edges with eight equivalent SmIn12 cuboctahedra, edges with sixteen equivalent InSm4In8 cuboctahedra, faces with four equivalent SmIn12 cuboctahedra, and faces with fourteen equivalent InSm4In8 cuboctahedra. All In–In bond lengths are 3.31 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmIn by Materials Project

SmIn is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Sm is bonded in a body-centered cubic geometry to eight equivalent In atoms. All Sm–In bond lengths are 3.32 Å. In is bonded in a body-centered cubic geometry to eight equivalent Sm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm3In by Materials Project

Sm3In is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Sm is bonded to eight equivalent Sm and four equivalent In atoms to form distorted SmSm8In4 cuboctahedra that share corners with twelve equivalent SmSm8In4 cuboctahedra, edges with eight equivalent InSm12 cuboctahedra, edges with sixteen equivalent SmSm8In4 cuboctahedra, faces with four equivalent InSm12 cuboctahedra, and faces with fourteen equivalent SmSm8In4 cuboctahedra. All Sm–Sm bond lengths are 3.49 Å. All Sm–In bond lengths are 3.49 Å. In is bonded to twelve equivalent Sm atoms to form InSm12 cuboctahedra that share corners with twelve equivalent InSm12 cuboctahedra, edges with twenty-four equivalent SmSm8In4 cuboctahedra, faces with six equivalent InSm12 cuboctahedra, and faces with twelve equivalent SmSm8In4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm3In by Materials Project

Sm3In is beta Cu3Ti-like 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 eight equivalent Sm and four equivalent In atoms. There are a spread of Sm–Sm bond distances ranging from 3.37–3.70 Å. There are two shorter (3.39 Å) and two longer (3.54 Å) Sm–In bond lengths. In is bonded to twelve equivalent Sm atoms to form a mixture of corner and face-sharing InSm12 cuboctahedra.

36 MATERIALS SCIENCE↗