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DOE OSTI2020

Materials Data on Tm(SiPt)2 by Materials Project

Tm(PtSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tm is bonded in a 8-coordinate geometry to eight equivalent Pt and eight equivalent Si atoms. All Tm–Pt bond lengths are 3.22 Å. All Tm–Si bond lengths are 3.17 Å. Pt is bonded to four equivalent Tm and four equivalent Si atoms to form a mixture of distorted edge, face, and corner-sharing PtTm4Si4 tetrahedra. All Pt–Si bond lengths are 2.46 Å. Si is bonded in a 9-coordinate geometry to four equivalent Tm, four equivalent Pt, and one Si atom. The Si–Si bond length is 2.30 Å.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on TmSiPt2 by Materials Project

TmPt2Si crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 11-coordinate geometry to eight equivalent Pt and three equivalent Si atoms. There are a spread of Tm–Pt bond distances ranging from 2.97–3.14 Å. There are a spread of Tm–Si bond distances ranging from 2.94–2.97 Å. Pt is bonded in a 12-coordinate geometry to four equivalent Tm and three equivalent Si atoms. There are a spread of Pt–Si bond distances ranging from 2.48–2.61 Å. Si is bonded in a 9-coordinate geometry to three equivalent Tm and six equivalent Pt atoms.

36 MATERIALS SCIENCE↗