LiTa2Te4OBr10 crystallizes in the triclinic P1 space group. Li(1) is bonded in a 2-coordinate geometry to one Te(1), one Te(2), one Te(3), one Br(1), and one Br(4) atom. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(1), one Br(1), one Br(2), one Br(3), one Br(4), and one Br(6) atom to form distorted corner-sharing TaBr5O octahedra. The corner-sharing octahedral tilt angles are 2°. In the second Ta site, Ta(2) is bonded to one O(1), one Br(10), one Br(5), one Br(7), one Br(8), and one Br(9) atom to form distorted corner-sharing TaBr5O octahedra. The corner-sharing octahedral tilt angles are 2°. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a 4-coordinate geometry to one Li(1), one Te(3), one Te(4), and one Br(10) atom. In the second Te site, Te(2) is bonded in a 4-coordinate geometry to one Li(1), one Te(3), one Te(4), and one Br(1) atom. In the third Te site, Te(3) is bonded in a 3-coordinate geometry to one Li(1), one Te(1), and one Te(2) atom. In the fourth Te site, Te(4) is bonded in a 3-coordinate geometry to one Te(1), one Te(2), and one Br(8) atom. O(1) is bonded in a linear geometry to one Ta(1) and one Ta(2) atom. There are ten inequivalent Br sites. In the first Br site, Br(1) is bonded in a distorted L-shaped geometry to one Li(1), one Ta(1), and one Te(2) atom. In the second Br site, Br(2) is bonded in a single-bond geometry to one Ta(1) atom. In the third Br site, Br(3) is bonded in a single-bond geometry to one Ta(1) atom. In the fourth Br site, Br(4) is bonded in an L-shaped geometry to one Li(1) and one Ta(1) atom. In the fifth Br site, Br(5) is bonded in a single-bond geometry to one Ta(2) atom. In the sixth Br site, Br(6) is bonded in a single-bond geometry to one Ta(1) atom. In the seventh Br site, Br(7) is bonded in a single-bond geometry to one Ta(2) atom. In the eighth Br site, Br(8) is bonded in a single-bond geometry to one Ta(2) and one Te(4) atom. In the ninth Br site, Br(9) is bonded in a single-bond geometry to one Ta(2) atom. In the tenth Br site, Br(10) is bonded in a bent 120 degrees geometry to one Ta(2) and one Te(1) atom.
LiTa2Te4OBr10 crystallizes in the triclinic P1 space group. Li(1) is bonded in a 2-coordinate geometry to one Te(1), one Te(2), one Te(3), one Br(1), and one Br(4) atom. The Li(1)-Te(1) bond length is 3.23 Å. The Li(1)-Te(2) bond length is 3.29 Å. The Li(1)-Te(3) bond length is 3.03 Å. The Li(1)-Br(1) bond length is 2.50 Å. The Li(1)-Br(4) bond length is 2.52 Å. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(1), one Br(1), one Br(2), one Br(3), one Br(4), and one Br(6) atom to form distorted corner-sharing TaBr5O octahedra. The corner-sharing octahedral tilt angles are 2°. The Ta(1)-O(1) bond length is 1.86 Å. The Ta(1)-Br(1) bond length is 2.77 Å. The Ta(1)-Br(2) bond length is 2.52 Å. The Ta(1)-Br(3) bond length is 2.54 Å. The Ta(1)-Br(4) bond length is 2.60 Å. The Ta(1)-Br(6) bond length is 2.48 Å. In the second Ta site, Ta(2) is bonded to one O(1), one Br(10), one Br(5), one Br(7), one Br(8), and one Br(9) atom to form distorted corner-sharing TaBr5O octahedra. The corner-sharing octahedral tilt angles are 2°. The Ta(2)-O(1) bond length is 1.94 Å. The Ta(2)-Br(10) bond length is 2.65 Å. The Ta(2)-Br(5) bond length is 2.50 Å. The Ta(2)-Br(7) bond length is 2.48 Å. The Ta(2)-Br(8) bond length is 2.62 Å. The Ta(2)-Br(9) bond length is 2.51 Å. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a 4-coordinate geometry to one Li(1), one Te(3), one Te(4), and one Br(10) atom. The Te(1)-Te(3) bond length is 2.81 Å. The Te(1)-Te(4) bond length is 2.78 Å. The Te(1)-Br(10) bond length is 3.16 Å. In the second Te site, Te(2) is bonded in a 4-coordinate geometry to one Li(1), one Te(3), one Te(4), and one Br(1) atom. The Te(2)-Te(3) bond length is 2.78 Å. The Te(2)-Te(4) bond length is 2.77 Å. The Te(2)-Br(1) bond length is 3.35 Å. In the third Te site, Te(3) is bonded in a 3-coordinate geometry to one Li(1), one Te(1), and one Te(2) atom. In the fourth Te site, Te(4) is bonded in a 3-coordinate geometry to one Te(1), one Te(2), and one Br(8) atom. The Te(4)-Br(8) bond length is 3.35 Å. O(1) is bonded in a linear geometry to one Ta(1) and one Ta(2) atom. There are ten inequivalent Br sites. In the first Br site, Br(1) is bonded in a distorted L-shaped geometry to one Li(1), one Ta(1), and one Te(2) atom. In the second Br site, Br(2) is bonded in a single-bond geometry to one Ta(1) atom. In the third Br site, Br(3) is bonded in a single-bond geometry to one Ta(1) atom. In the fourth Br site, Br(4) is bonded in an L-shaped geometry to one Li(1) and one Ta(1) atom. In the fifth Br site, Br(5) is bonded in a single-bond geometry to one Ta(2) atom. In the sixth Br site, Br(6) is bonded in a single-bond geometry to one Ta(1) atom. In the seventh Br site, Br(7) is bonded in a single-bond geometry to one Ta(2) atom. In the eighth Br site, Br(8) is bonded in a single-bond geometry to one Ta(2) and one Te(4) atom. In the ninth Br site, Br(9) is bonded in a single-bond geometry to one Ta(2) atom. In the tenth Br site, Br(10) is bonded in a bent 120 degrees geometry to one Ta(2) and one Te(1) atom.