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TmPt3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Tm is bonded to twelve equivalent Pt atoms to form a mixture of corner and face-sharing TmPt12 cuboctahedra. All Tm–Pt bond lengths are 2.89 Å. Pt is bonded in a distorted square co-planar geometry to four equivalent Tm atoms.
TmPt2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to twelve equivalent Pt atoms. All Tm–Pt bond lengths are 3.17 Å. Pt is bonded to six equivalent Tm and six equivalent Pt atoms to form a mixture of face, edge, and corner-sharing PtTm6Pt6 cuboctahedra. All Pt–Pt bond lengths are 2.71 Å.
Pt(Tm) crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 7-coordinate geometry to seven equivalent Pt atoms. There are a spread of Tm–Pt bond distances ranging from 2.86–3.04 Å. Pt is bonded in a 7-coordinate geometry to seven equivalent Tm atoms.
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.
Tm2Pt is Cotunnite 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 to four equivalent Pt atoms to form a mixture of edge and corner-sharing TmPt4 tetrahedra. There are a spread of Tm–Pt bond distances ranging from 2.86–2.92 Å. In the second Tm site, Tm is bonded in a 3-coordinate geometry to three equivalent Pt atoms. There are one shorter (2.80 Å) and two longer (3.03 Å) Tm–Pt bond lengths. Pt is bonded in a 7-coordinate geometry to seven Tm atoms.
Tm5Pt3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Tm sites. In the first Tm site, Tm is bonded in a 6-coordinate geometry to six equivalent Pt atoms. All Tm–Pt bond lengths are 3.00 Å. In the second Tm site, Tm is bonded in a 5-coordinate geometry to five equivalent Pt atoms. There are a spread of Tm–Pt bond distances ranging from 2.88–3.25 Å. Pt is bonded in a 9-coordinate geometry to nine Tm atoms.