Li2Fe3TeO8 is Spinel-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. In the second Fe site, Fe(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. In the fifth Fe site, Fe(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. Te(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form TeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Fe(2), one Fe(4), and one Fe(5) atom to form distorted corner-sharing OLiFe3 tetrahedra. In the second O site, O(2) is bonded to one Li(2), one Fe(1), one Fe(3), and one Fe(4) atom to form distorted corner-sharing OLiFe3 tetrahedra. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(4), one Fe(5), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(4), and one Te(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(2), one Fe(4), and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(3), one Fe(4), and one Te(1) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(2), one Fe(5), and one Te(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(3), and one Te(1) atom.
Li2Fe3TeO8 is Spinel-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. The Li(1)-O(1) bond length is 2.00 Å. The Li(1)-O(4) bond length is 2.09 Å. The Li(1)-O(6) bond length is 2.11 Å. The Li(1)-O(7) bond length is 2.05 Å. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. The Li(2)-O(2) bond length is 2.00 Å. The Li(2)-O(3) bond length is 2.11 Å. The Li(2)-O(5) bond length is 2.09 Å. The Li(2)-O(8) bond length is 2.05 Å. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. Both Fe(1)-O(2) bond lengths are 1.98 Å. Both Fe(1)-O(4) bond lengths are 2.12 Å. Both Fe(1)-O(8) bond lengths are 2.10 Å. In the second Fe site, Fe(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. Both Fe(2)-O(1) bond lengths are 1.97 Å. Both Fe(2)-O(5) bond lengths are 2.13 Å. Both Fe(2)-O(7) bond lengths are 2.10 Å. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. Both Fe(3)-O(2) bond lengths are 2.06 Å. Both Fe(3)-O(6) bond lengths are 2.22 Å. Both Fe(3)-O(8) bond lengths are 2.20 Å. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. The Fe(4)-O(1) bond length is 1.98 Å. The Fe(4)-O(2) bond length is 1.97 Å. The Fe(4)-O(3) bond length is 2.08 Å. The Fe(4)-O(4) bond length is 2.16 Å. The Fe(4)-O(5) bond length is 2.15 Å. The Fe(4)-O(6) bond length is 2.09 Å. In the fifth Fe site, Fe(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. Both Fe(5)-O(1) bond lengths are 2.05 Å. Both Fe(5)-O(3) bond lengths are 2.21 Å. Both Fe(5)-O(7) bond lengths are 2.21 Å. Te(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form TeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. The Te(1)-O(3) bond length is 1.96 Å. The Te(1)-O(4) bond length is 1.99 Å. The Te(1)-O(5) bond length is 1.99 Å. The Te(1)-O(6) bond length is 1.96 Å. The Te(1)-O(7) bond length is 1.96 Å. The Te(1)-O(8) bond length is 1.96 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Fe(2), one Fe(4), and one Fe(5) atom to form distorted corner-sharing OLiFe3 tetrahedra. In the second O site, O(2) is bonded to one Li(2), one Fe(1), one Fe(3), and one Fe(4) atom to form distorted corner-sharing OLiFe3 tetrahedra. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(4), one Fe(5), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(4), and one Te(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(2), one Fe(4), and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(3), one Fe(4), and one Te(1) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(2), one Fe(5), and one Te(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(3), and one Te(1) atom.