Materials Data on Tm3Pt by Materials Project
Tm3Pt is Cementite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Tm sites. In the first Tm site, Tm is bonded in a 2-coordinate geometry to three equivalent Pt atoms. There are a spread of Tm–Pt bond distances ranging from 2.83–3.32 Å. In the second Tm site, Tm is bonded in a distorted bent 120 degrees geometry to two equivalent Pt atoms. There are one shorter (2.78 Å) and one longer (2.85 Å) Tm–Pt bond lengths. Pt is bonded in a 6-coordinate geometry to eight Tm atoms.
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