Y6PdTe2 crystallizes in the orthorhombic Pnma space group. There are six inequivalent Y sites. In the first Y site, Y(1) is bonded in a 4-coordinate geometry to two equivalent Te(1) and two equivalent Te(2) atoms. In the second Y site, Y(2) is bonded in a 3-coordinate geometry to two equivalent Pd(1) and one Te(1) atom. In the third Y site, Y(3) is bonded in a 2-coordinate geometry to one Pd(1) and one Te(2) atom. In the fourth Y site, Y(4) is bonded in a 5-coordinate geometry to three equivalent Pd(1) and two equivalent Te(2) atoms. In the fifth Y site, Y(5) is bonded in a 4-coordinate geometry to one Pd(1), one Te(2), and three equivalent Te(1) atoms. In the sixth Y site, Y(6) is bonded to two equivalent Pd(1), one Te(2), and two equivalent Te(1) atoms to form distorted edge-sharing YTe3Pd2 trigonal bipyramids. Pd(1) is bonded in a 9-coordinate geometry to one Y(3), one Y(5), two equivalent Y(2), two equivalent Y(6), and three equivalent Y(4) atoms. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a 8-coordinate geometry to one Y(2), two equivalent Y(1), two equivalent Y(6), and three equivalent Y(5) atoms. In the second Te site, Te(2) is bonded to one Y(3), one Y(5), one Y(6), two equivalent Y(1), and two equivalent Y(4) atoms to form distorted edge-sharing TeY7 pentagonal bipyramids.
Y6PdTe2 crystallizes in the orthorhombic Pnma space group. There are six inequivalent Y sites. In the first Y site, Y(1) is bonded in a 4-coordinate geometry to two equivalent Te(1) and two equivalent Te(2) atoms. Both Y(1)-Te(1) bond lengths are 3.13 Å. Both Y(1)-Te(2) bond lengths are 3.11 Å. In the second Y site, Y(2) is bonded in a 3-coordinate geometry to two equivalent Pd(1) and one Te(1) atom. Both Y(2)-Pd(1) bond lengths are 3.00 Å. The Y(2)-Te(1) bond length is 3.31 Å. In the third Y site, Y(3) is bonded in a 2-coordinate geometry to one Pd(1) and one Te(2) atom. The Y(3)-Pd(1) bond length is 3.35 Å. The Y(3)-Te(2) bond length is 3.14 Å. In the fourth Y site, Y(4) is bonded in a 5-coordinate geometry to three equivalent Pd(1) and two equivalent Te(2) atoms. There are two shorter (2.98 Å) and one longer (3.25 Å) Y(4)-Pd(1) bond length. Both Y(4)-Te(2) bond lengths are 3.22 Å. In the fifth Y site, Y(5) is bonded in a 4-coordinate geometry to one Pd(1), one Te(2), and three equivalent Te(1) atoms. The Y(5)-Pd(1) bond length is 3.74 Å. The Y(5)-Te(2) bond length is 3.08 Å. There are two shorter (3.20 Å) and one longer (3.34 Å) Y(5)-Te(1) bond length. In the sixth Y site, Y(6) is bonded to two equivalent Pd(1), one Te(2), and two equivalent Te(1) atoms to form distorted edge-sharing YTe3Pd2 trigonal bipyramids. Both Y(6)-Pd(1) bond lengths are 2.94 Å. The Y(6)-Te(2) bond length is 3.09 Å. Both Y(6)-Te(1) bond lengths are 3.21 Å. Pd(1) is bonded in a 9-coordinate geometry to one Y(3), one Y(5), two equivalent Y(2), two equivalent Y(6), and three equivalent Y(4) atoms. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a 8-coordinate geometry to one Y(2), two equivalent Y(1), two equivalent Y(6), and three equivalent Y(5) atoms. In the second Te site, Te(2) is bonded to one Y(3), one Y(5), one Y(6), two equivalent Y(1), and two equivalent Y(4) atoms to form distorted edge-sharing TeY7 pentagonal bipyramids.