Y5Pt2Bi crystallizes in the tetragonal I4/mcm space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded to four equivalent Pt(1) and two equivalent Bi(1) atoms to form distorted corner-sharing YBi2Pt4 octahedra. The corner-sharing octahedral tilt angles range from 0-48°. In the second Y site, Y(2) is bonded in a 5-coordinate geometry to three equivalent Pt(1) and two equivalent Bi(1) atoms. Pt(1) is bonded in a 8-coordinate geometry to two equivalent Y(1) and six equivalent Y(2) atoms. Bi(1) is bonded in a distorted q6 geometry to two equivalent Y(1) and eight equivalent Y(2) atoms.
Y5Pt2Bi crystallizes in the tetragonal I4/mcm space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded to four equivalent Pt(1) and two equivalent Bi(1) atoms to form distorted corner-sharing YBi2Pt4 octahedra. The corner-sharing octahedral tilt angles range from 0-48°. All Y(1)-Pt(1) bond lengths are 3.02 Å. Both Y(1)-Bi(1) bond lengths are 3.45 Å. In the second Y site, Y(2) is bonded in a 5-coordinate geometry to three equivalent Pt(1) and two equivalent Bi(1) atoms. There is one shorter (2.94 Å) and two longer (2.98 Å) Y(2)-Pt(1) bond lengths. Both Y(2)-Bi(1) bond lengths are 3.34 Å. Pt(1) is bonded in a 8-coordinate geometry to two equivalent Y(1) and six equivalent Y(2) atoms. Bi(1) is bonded in a distorted q6 geometry to two equivalent Y(1) and eight equivalent Y(2) atoms.