Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Rh-Sm-Sn”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

4 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sm3Sn13Rh4 by Materials Project

Sm3Rh4Sn13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to four equivalent Rh and twelve equivalent Sn atoms. All Sm–Rh bond lengths are 3.46 Å. There are eight shorter (3.43 Å) and four longer (3.45 Å) Sm–Sn bond lengths. Rh is bonded in a 6-coordinate geometry to three equivalent Sm and six equivalent Sn atoms. All Rh–Sn bond lengths are 2.69 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a cuboctahedral geometry to twelve equivalent Sn atoms. All Sn–Sn bond lengths are 3.37 Å. In the second Sn site, Sn is bonded in a 2-coordinate geometry to three equivalent Sm, two equivalent Rh, and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmSnRh by Materials Project

SmRhSn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Sm is bonded in a 11-coordinate geometry to five Rh and six equivalent Sn atoms. There are four shorter (3.05 Å) and one longer (3.10 Å) Sm–Rh bond lengths. There are two shorter (3.23 Å) and four longer (3.37 Å) Sm–Sn bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 9-coordinate geometry to three equivalent Sm and six equivalent Sn atoms. All Rh–Sn bond lengths are 2.79 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to six equivalent Sm and three equivalent Sn atoms. All Rh–Sn bond lengths are 2.87 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Sm and four Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm(Sn2Rh)2 by Materials Project

Sm(RhSn2)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Sm is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Sm–Sn bond distances ranging from 3.18–3.22 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.71–2.89 Å. In the second Rh site, Rh is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.72–2.82 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 6-coordinate geometry to two equivalent Sm and four Rh atoms. In the second Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Sm and three equivalent Rh atoms. In the third Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Sm and three equivalent Rh atoms. In the fourth Sn site, Sn is bonded to four Rh atoms to form a mixture of distorted corner and edge-sharing SnRh4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm5(Sn5Rh2)2 by Materials Project

Sm5(Rh2Sn5)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Sm sites. In the first Sm site, Sm is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Sn atoms. All Sm–Rh bond lengths are 3.52 Å. There are eight shorter (3.26 Å) and four longer (3.56 Å) Sm–Sn bond lengths. In the second Sm site, Sm is bonded to four equivalent Rh and eight Sn atoms to form face-sharing SmSn8Rh4 cuboctahedra. All Sm–Rh bond lengths are 3.31 Å. There are a spread of Sm–Sn bond distances ranging from 3.15–3.33 Å. In the third Sm site, Sm is bonded in a 8-coordinate geometry to four equivalent Rh and ten Sn atoms. All Sm–Rh bond lengths are 3.63 Å. There are four shorter (3.50 Å) and six longer (3.60 Å) Sm–Sn bond lengths. Rh is bonded in a 5-coordinate geometry to five Sm and five Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.61–2.75 Å. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to six Sm, two equivalent Rh, and one Sn atom. The Sn–Sn bond length is 2.78 Å. In the second Sn site, Sn is bonded in a 2-coordinate geometry to five Sm and two equivalent Rh atoms. In the third Sn site, Sn is bonded in a 2-coordinate geometry to four Sm and two equivalent Rh atoms.

36 MATERIALS SCIENCE↗