Lu11Te4 crystallizes in the monoclinic C2/m space group. There are seventeen inequivalent Lu sites. In the first Lu site, Lu(1) is bonded in a 4-coordinate geometry to one Te(1) and three equivalent Te(6) atoms. In the second Lu site, Lu(2) is bonded in a 2-coordinate geometry to one Te(2) and one Te(4) atom. In the third Lu site, Lu(3) is bonded in a 4-coordinate geometry to two equivalent Te(3) and two equivalent Te(5) atoms. In the fourth Lu site, Lu(4) is bonded in a distorted single-bond geometry to two equivalent Lu(14) and one Te(6) atom. In the fifth Lu site, Lu(5) is bonded in a distorted single-bond geometry to one Te(3) atom. In the sixth Lu site, Lu(6) is bonded in a 3-coordinate geometry to one Te(5) and two equivalent Te(2) atoms. In the seventh Lu site, Lu(7) is bonded in a distorted L-shaped geometry to one Te(1) and one Te(5) atom. In the eighth Lu site, Lu(8) is bonded to one Te(3), one Te(5), and two equivalent Te(2) atoms to form distorted corner-sharing LuTe4 trigonal pyramids. In the ninth Lu site, Lu(9) is bonded in a 4-coordinate geometry to one Te(3), two equivalent Te(2), and two equivalent Te(4) atoms. In the tenth Lu site, Lu(10) is bonded in a 4-coordinate geometry to one Te(1), one Te(4), and two equivalent Te(6) atoms. In the eleventh Lu site, Lu(11) is bonded in a 3-coordinate geometry to one Te(4) and two equivalent Te(3) atoms. In the twelfth Lu site, Lu(12) is bonded in a 3-coordinate geometry to one Te(2) and two equivalent Te(3) atoms. In the thirteenth Lu site, Lu(13) is bonded in a 4-coordinate geometry to two equivalent Te(1) and two equivalent Te(5) atoms. In the fourteenth Lu site, Lu(14) is bonded in a distorted body-centered cubic geometry to four equivalent Lu(16) and four equivalent Lu(4) atoms. In the fifteenth Lu site, Lu(15) is bonded in a 4-coordinate geometry to two equivalent Te(1) and two equivalent Te(4) atoms. In the sixteenth Lu site, Lu(16) is bonded in a distorted L-shaped geometry to two equivalent Lu(14) and two equivalent Te(4) atoms. In the seventeenth Lu site, Lu(17) is bonded in a 2-coordinate geometry to two equivalent Te(6) atoms. There are six inequivalent Te sites. In the first Te site, Te(1) is bonded to one Lu(1), one Lu(10), one Lu(7), two equivalent Lu(13), and two equivalent Lu(15) atoms to form a mixture of distorted corner, face, and edge-sharing TeLu7 pentagonal bipyramids. In the second Te site, Te(2) is bonded in a 8-coordinate geometry to one Lu(12), one Lu(2), two equivalent Lu(6), two equivalent Lu(8), and two equivalent Lu(9) atoms. In the third Te site, Te(3) is bonded in a 9-coordinate geometry to one Lu(5), one Lu(8), one Lu(9), two equivalent Lu(11), two equivalent Lu(12), and two equivalent Lu(3) atoms. In the fourth Te site, Te(4) is bonded in a 9-coordinate geometry to one Lu(10), one Lu(11), one Lu(2), two equivalent Lu(15), two equivalent Lu(16), and two equivalent Lu(9) atoms. In the fifth Te site, Te(5) is bonded to one Lu(6), one Lu(7), one Lu(8), two equivalent Lu(13), and two equivalent Lu(3) atoms to form a mixture of distorted corner, face, and edge-sharing TeLu7 pentagonal bipyramids. In the sixth Te site, Te(6) is bonded in a 8-coordinate geometry to one Lu(4), two equivalent Lu(10), two equivalent Lu(17), and three equivalent Lu(1) atoms.
Lu11Te4 crystallizes in the monoclinic C2/m space group. There are seventeen inequivalent Lu sites. In the first Lu site, Lu(1) is bonded in a 4-coordinate geometry to one Te(1) and three equivalent Te(6) atoms. The Lu(1)-Te(1) bond length is 3.04 Å. There are two shorter (3.06 Å) and one longer (3.10 Å) Lu(1)-Te(6) bond length. In the second Lu site, Lu(2) is bonded in a 2-coordinate geometry to one Te(2) and one Te(4) atom. The Lu(2)-Te(2) bond length is 3.14 Å. The Lu(2)-Te(4) bond length is 3.35 Å. In the third Lu site, Lu(3) is bonded in a 4-coordinate geometry to two equivalent Te(3) and two equivalent Te(5) atoms. Both Lu(3)-Te(3) bond lengths are 3.07 Å. Both Lu(3)-Te(5) bond lengths are 3.08 Å. In the fourth Lu site, Lu(4) is bonded in a distorted single-bond geometry to two equivalent Lu(14) and one Te(6) atom. Both Lu(4)-Lu(14) bond lengths are 3.19 Å. The Lu(4)-Te(6) bond length is 3.11 Å. In the fifth Lu site, Lu(5) is bonded in a distorted single-bond geometry to one Te(3) atom. The Lu(5)-Te(3) bond length is 3.19 Å. In the sixth Lu site, Lu(6) is bonded in a 3-coordinate geometry to one Te(5) and two equivalent Te(2) atoms. The Lu(6)-Te(5) bond length is 3.04 Å. Both Lu(6)-Te(2) bond lengths are 3.08 Å. In the seventh Lu site, Lu(7) is bonded in a distorted L-shaped geometry to one Te(1) and one Te(5) atom. The Lu(7)-Te(1) bond length is 3.11 Å. The Lu(7)-Te(5) bond length is 3.11 Å. In the eighth Lu site, Lu(8) is bonded to one Te(3), one Te(5), and two equivalent Te(2) atoms to form distorted corner-sharing LuTe4 trigonal pyramids. The Lu(8)-Te(3) bond length is 3.13 Å. The Lu(8)-Te(5) bond length is 3.08 Å. Both Lu(8)-Te(2) bond lengths are 3.07 Å. In the ninth Lu site, Lu(9) is bonded in a 4-coordinate geometry to one Te(3), two equivalent Te(2), and two equivalent Te(4) atoms. The Lu(9)-Te(3) bond length is 3.65 Å. Both Lu(9)-Te(2) bond lengths are 3.07 Å. Both Lu(9)-Te(4) bond lengths are 3.11 Å. In the tenth Lu site, Lu(10) is bonded in a 4-coordinate geometry to one Te(1), one Te(4), and two equivalent Te(6) atoms. The Lu(10)-Te(1) bond length is 3.06 Å. The Lu(10)-Te(4) bond length is 3.38 Å. Both Lu(10)-Te(6) bond lengths are 3.11 Å. In the eleventh Lu site, Lu(11) is bonded in a 3-coordinate geometry to one Te(4) and two equivalent Te(3) atoms. The Lu(11)-Te(4) bond length is 3.07 Å. Both Lu(11)-Te(3) bond lengths are 3.06 Å. In the twelfth Lu site, Lu(12) is bonded in a 3-coordinate geometry to one Te(2) and two equivalent Te(3) atoms. The Lu(12)-Te(2) bond length is 3.18 Å. Both Lu(12)-Te(3) bond lengths are 3.08 Å. In the thirteenth Lu site, Lu(13) is bonded in a 4-coordinate geometry to two equivalent Te(1) and two equivalent Te(5) atoms. Both Lu(13)-Te(1) bond lengths are 3.08 Å. Both Lu(13)-Te(5) bond lengths are 3.10 Å. In the fourteenth Lu site, Lu(14) is bonded in a distorted body-centered cubic geometry to four equivalent Lu(16) and four equivalent Lu(4) atoms. All Lu(14)-Lu(16) bond lengths are 3.18 Å. In the fifteenth Lu site, Lu(15) is bonded in a 4-coordinate geometry to two equivalent Te(1) and two equivalent Te(4) atoms. Both Lu(15)-Te(1) bond lengths are 3.06 Å. Both Lu(15)-Te(4) bond lengths are 3.05 Å. In the sixteenth Lu site, Lu(16) is bonded in a distorted L-shaped geometry to two equivalent Lu(14) and two equivalent Te(4) atoms. Both Lu(16)-Te(4) bond lengths are 3.02 Å. In the seventeenth Lu site, Lu(17) is bonded in a 2-coordinate geometry to two equivalent Te(6) atoms. Both Lu(17)-Te(6) bond lengths are 3.09 Å. There are six inequivalent Te sites. In the first Te site, Te(1) is bonded to one Lu(1), one Lu(10), one Lu(7), two equivalent Lu(13), and two equivalent Lu(15) atoms to form a mixture of distorted corner, face, and edge-sharing TeLu7 pentagonal bipyramids. In the second Te site, Te(2) is bonded in a 8-coordinate geometry to one Lu(12), one Lu(2), two equivalent Lu(6), two equivalent Lu(8), and two equivalent Lu(9) atoms. In the third Te site, Te(3) is bonded in a 9-coordinate geometry to one Lu(5), one Lu(8), one Lu(9), two equivalent Lu(11), two equivalent Lu(12), and two equivalent Lu(3) atoms. In the fourth Te site, Te(4) is bonded in a 9-coordinate geometry to one Lu(10), one Lu(11), one Lu(2), two equivalent Lu(15), two equivalent Lu(16), and two equivalent Lu(9) atoms. In the fifth Te site, Te(5) is bonded to one Lu(6), one Lu(7), one Lu(8), two equivalent Lu(13), and two equivalent Lu(3) atoms to form a mixture of distorted corner, face, and edge-sharing TeLu7 pentagonal bipyramids. In the sixth Te site, Te(6) is bonded in a 8-coordinate geometry to one Lu(4), two equivalent Lu(10), two equivalent Lu(17), and three equivalent Lu(1) atoms.