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All sourcesNASA NTRSDOE OSTI
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 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↗