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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on TmSnAu by Materials Project

TmAuSn crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. Tm is bonded in a 3-coordinate geometry to six equivalent Au and six equivalent Sn atoms. There are three shorter (2.97 Å) and three longer (3.67 Å) Tm–Au bond lengths. There are three shorter (3.19 Å) and three longer (3.37 Å) Tm–Sn bond lengths. Au is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Sn atoms. There are three shorter (2.82 Å) and one longer (2.92 Å) Au–Sn bond lengths. Sn is bonded in a 10-coordinate geometry to six equivalent Tm and four equivalent Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmSnAu by Materials Project

TmAuSn is half-Heusler structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Tm is bonded to four equivalent Au and six equivalent Sn atoms to form a mixture of distorted face and corner-sharing TmSn6Au4 tetrahedra. All Tm–Au bond lengths are 2.89 Å. All Tm–Sn bond lengths are 3.34 Å. Au is bonded in a body-centered cubic geometry to four equivalent Tm and four equivalent Sn atoms. All Au–Sn bond lengths are 2.89 Å. Sn is bonded in a 4-coordinate geometry to six equivalent Tm and four equivalent Au atoms.

36 MATERIALS SCIENCE↗