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7 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on UNiSn by Materials Project

UNiSn is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. U is bonded in a 4-coordinate geometry to four equivalent Ni and six equivalent Sn atoms. All U–Ni bond lengths are 2.75 Å. All U–Sn bond lengths are 3.17 Å. Ni is bonded in a body-centered cubic geometry to four equivalent U and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.75 Å. Sn is bonded in a distorted q6 geometry to six equivalent U and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UNi4Sn by Materials Project

UNi4Sn crystallizes in the cubic F-43m space group. The structure is three-dimensional. U is bonded in a 12-coordinate geometry to twelve equivalent Ni and four equivalent Sn atoms. All U–Ni bond lengths are 2.91 Å. All U–Sn bond lengths are 3.04 Å. Ni is bonded to three equivalent U, six equivalent Ni, and three equivalent Sn atoms to form a mixture of edge, face, and corner-sharing NiU3Ni6Sn3 cuboctahedra. There are three shorter (2.48 Å) and three longer (2.49 Å) Ni–Ni bond lengths. All Ni–Sn bond lengths are 2.91 Å. Sn is bonded in a 4-coordinate geometry to four equivalent U and twelve equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on U2Ni2Sn by Materials Project

U2Ni2Sn crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. U is bonded in a 6-coordinate geometry to six equivalent Ni and four equivalent Sn atoms. There are two shorter (2.82 Å) and four longer (2.85 Å) U–Ni bond lengths. All U–Sn bond lengths are 3.28 Å. Ni is bonded in a 9-coordinate geometry to six equivalent U, one Ni, and two equivalent Sn atoms. The Ni–Ni bond length is 2.65 Å. Both Ni–Sn bond lengths are 2.77 Å. Sn is bonded to eight equivalent U and four equivalent Ni atoms to form a mixture of corner and face-sharing SnU8Ni4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UNiSn by Materials Project

UNiSn is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. U is bonded in a body-centered cubic geometry to four equivalent Ni and four equivalent Sn atoms. All U–Ni bond lengths are 3.01 Å. All U–Sn bond lengths are 3.01 Å. Ni is bonded to four equivalent U atoms to form NiU4 tetrahedra that share corners with four equivalent SnU4 tetrahedra, corners with twelve equivalent NiU4 tetrahedra, and edges with six equivalent SnU4 tetrahedra. Sn is bonded to four equivalent U atoms to form SnU4 tetrahedra that share corners with four equivalent NiU4 tetrahedra, corners with twelve equivalent SnU4 tetrahedra, and edges with six equivalent NiU4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on U3Ni3Sn4 by Materials Project

U3Ni3Sn4 crystallizes in the cubic I-43d space group. The structure is three-dimensional. U is bonded in a 12-coordinate geometry to four equivalent Ni and eight equivalent Sn atoms. All U–Ni bond lengths are 2.86 Å. There are four shorter (3.22 Å) and four longer (3.24 Å) U–Sn bond lengths. Ni is bonded in a 8-coordinate geometry to four equivalent U and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.62 Å. Sn is bonded in a 9-coordinate geometry to six equivalent U and three equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UNi2Sn by Materials Project

UNi2Sn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. U is bonded in a distorted body-centered cubic geometry to eight equivalent Ni and six equivalent Sn atoms. All U–Ni bond lengths are 2.80 Å. All U–Sn bond lengths are 3.23 Å. Ni is bonded in a body-centered cubic geometry to four equivalent U and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.80 Å. Sn is bonded in a 8-coordinate geometry to six equivalent U and eight equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UNiSn by Materials Project

UNiSn is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. U is bonded to six equivalent Ni and four equivalent Sn atoms to form a mixture of distorted face and corner-sharing UNi6Sn4 tetrahedra. All U–Ni bond lengths are 3.34 Å. All U–Sn bond lengths are 2.89 Å. Ni is bonded in a distorted q6 geometry to six equivalent U and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.89 Å. Sn is bonded in a body-centered cubic geometry to four equivalent U and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗