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4 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on U3Sn13Rh4 by Materials Project

U3Rh4Sn13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. U is bonded in a 8-coordinate geometry to four equivalent Rh and twelve equivalent Sn atoms. All U–Rh bond lengths are 3.44 Å. There are eight shorter (3.39 Å) and four longer (3.44 Å) U–Sn bond lengths. Rh is bonded in a 6-coordinate geometry to three equivalent U and six equivalent Sn atoms. All Rh–Sn bond lengths are 2.68 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 U, two equivalent Rh, and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on U2SnRh2 by Materials Project

U2Rh2Sn crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. U is bonded in a 6-coordinate geometry to six equivalent Rh and four equivalent Sn atoms. There are two shorter (2.77 Å) and four longer (2.95 Å) U–Rh bond lengths. All U–Sn bond lengths are 3.36 Å. Rh is bonded in a 6-coordinate geometry to six equivalent U and two equivalent Sn atoms. Both Rh–Sn bond lengths are 2.97 Å. Sn is bonded to eight equivalent U and four equivalent Rh atoms to form a mixture of face and corner-sharing SnU8Rh4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on USnRh2 by Materials Project

URh2Sn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. U is bonded in a 6-coordinate geometry to eight Rh and five equivalent Sn atoms. There are a spread of U–Rh bond distances ranging from 2.73–3.26 Å. There are two shorter (3.30 Å) and three longer (3.39 Å) U–Sn bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to four equivalent U and four equivalent Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.78–3.07 Å. In the second Rh site, Rh is bonded in a 7-coordinate geometry to four equivalent U and three equivalent Sn atoms. There are two shorter (2.69 Å) and one longer (2.70 Å) Rh–Sn bond lengths. Sn is bonded in a 12-coordinate geometry to five equivalent U and seven Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on USnRh by Materials Project

URhSn crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent U sites. In the first U site, U is bonded in a 11-coordinate geometry to five Rh and six Sn atoms. There are four shorter (3.01 Å) and one longer (3.08 Å) U–Rh bond lengths. There are two shorter (3.17 Å) and four longer (3.37 Å) U–Sn bond lengths. In the second U site, U is bonded in a 11-coordinate geometry to five Rh and six Sn atoms. There are a spread of U–Rh bond distances ranging from 3.00–3.09 Å. There are a spread of U–Sn bond distances ranging from 3.17–3.38 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 9-coordinate geometry to six U and three Sn atoms. All Rh–Sn bond lengths are 2.80 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to three U and six Sn atoms. All Rh–Sn bond lengths are 2.76 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 12-coordinate geometry to six U, four Rh, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 3.21 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to six U, four Rh, and one Sn atom.

36 MATERIALS SCIENCE↗