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Materials Data on CsTi2(CuTe4)2 by Materials Project

CsTi2(CuTe4)2 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Cs1+ is bonded in a 9-coordinate geometry to nine Te+1.25- atoms. There are a spread of Cs–Te bond distances ranging from 3.86–4.05 Å. There are two inequivalent Ti+3.50+ sites. In the first Ti+3.50+ site, Ti+3.50+ is bonded to six Te+1.25- atoms to form distorted TiTe6 octahedra that share a cornercorner with one CuTe4 tetrahedra, edges with two equivalent TiTe6 octahedra, and edges with two equivalent CuTe4 tetrahedra. There are a spread of Ti–Te bond distances ranging from 2.67–2.91 Å. In the second Ti+3.50+ site, Ti+3.50+ is bonded to six Te+1.25- atoms to form distorted TiTe6 octahedra that share a cornercorner with one CuTe4 tetrahedra, edges with two equivalent TiTe6 octahedra, and edges with two equivalent CuTe4 tetrahedra. There are a spread of Ti–Te bond distances ranging from 2.66–2.93 Å. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Te+1.25- atoms to form CuTe4 tetrahedra that share a cornercorner with one TiTe6 octahedra, corners with two equivalent CuTe4 tetrahedra, edges with two equivalent TiTe6 octahedra, and edges with two equivalent CuTe4 tetrahedra. The corner-sharing octahedral tilt angles are 72°. There are a spread of Cu–Te bond distances ranging from 2.60–2.69 Å. In the second Cu1+ site, Cu1+ is bonded to four Te+1.25- atoms to form CuTe4 tetrahedra that share a cornercorner with one TiTe6 octahedra, corners with two equivalent CuTe4 tetrahedra, edges with two equivalent TiTe6 octahedra, and edges with two equivalent CuTe4 tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Cu–Te bond distances ranging from 2.58–2.66 Å. There are eight inequivalent Te+1.25- sites. In the first Te+1.25- site, Te+1.25- is bonded in a 6-coordinate geometry to two equivalent Cs1+, one Ti+3.50+, and three Cu1+ atoms. In the second Te+1.25- site, Te+1.25- is bonded in a 4-coordinate geometry to one Ti+3.50+ and three Cu1+ atoms. In the third Te+1.25- site, Te+1.25- is bonded in a 5-coordinate geometry to two equivalent Cs1+, two equivalent Ti+3.50+, and one Cu1+ atom. In the fourth Te+1.25- site, Te+1.25- is bonded in a 5-coordinate geometry to two equivalent Cs1+, two equivalent Ti+3.50+, and one Cu1+ atom. In the fifth Te+1.25- site, Te+1.25- is bonded in a distorted L-shaped geometry to one Cs1+ and two equivalent Ti+3.50+ atoms. In the sixth Te+1.25- site, Te+1.25- is bonded in a distorted L-shaped geometry to two equivalent Ti+3.50+ atoms. In the seventh Te+1.25- site, Te+1.25- is bonded in a distorted single-bond geometry to one Ti+3.50+ atom. In the eighth Te+1.25- site, Te+1.25- is bonded in a 1-coordinate geometry to two equivalent Cs1+ and one Ti+3.50+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Te7IrBr7 by Materials Project

IrTe(TeBr)3Te3Br4 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two iridium molecules, two tellurium molecules, two Te3Br4 clusters, and two TeBr clusters. In each Te3Br4 cluster, there are three inequivalent Te+0.57+ sites. In the first Te+0.57+ site, Te+0.57+ is bonded in a single-bond geometry to one Br1- atom. The Te–Br bond length is 3.34 Å. In the second Te+0.57+ site, Te+0.57+ is bonded in a single-bond geometry to one Br1- atom. The Te–Br bond length is 3.13 Å. In the third Te+0.57+ site, Te+0.57+ is bonded in a rectangular see-saw-like geometry to four Br1- atoms. There are a spread of Te–Br bond distances ranging from 2.66–2.94 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted water-like geometry to two Te+0.57+ atoms. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Te+0.57+ atom. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Te+0.57+ atom. In the fourth Br1- site, Br1- is bonded in a 1-coordinate geometry to two Te+0.57+ atoms. In each TeBr cluster, there are three inequivalent Te+0.57+ sites. In the first Te+0.57+ site, Te+0.57+ is bonded in a distorted single-bond geometry to one Br1- atom. The Te–Br bond length is 3.07 Å. In the second Te+0.57+ site, Te+0.57+ is bonded in a distorted single-bond geometry to one Br1- atom. The Te–Br bond length is 3.01 Å. In the third Te+0.57+ site, Te+0.57+ is bonded in a T-shaped geometry to three Br1- atoms. There are a spread of Te–Br bond distances ranging from 2.57–2.82 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in an L-shaped geometry to two Te+0.57+ atoms. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Te+0.57+ atom. In the third Br1- site, Br1- is bonded in a distorted L-shaped geometry to two Te+0.57+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Te8RuCl2 by Materials Project

RuTe8Cl2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ru6+ is bonded in an octahedral geometry to six Te+0.50- atoms. There are four shorter (2.67 Å) and two longer (2.68 Å) Ru–Te bond lengths. There are four inequivalent Te+0.50- sites. In the first Te+0.50- site, Te+0.50- is bonded in a 2-coordinate geometry to one Ru6+, two Te+0.50-, and two Cl1- atoms. There are one shorter (2.79 Å) and one longer (2.88 Å) Te–Te bond lengths. There are one shorter (3.12 Å) and one longer (4.01 Å) Te–Cl bond lengths. In the second Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to one Ru6+, two Te+0.50-, and three Cl1- atoms. There are one shorter (2.89 Å) and one longer (2.91 Å) Te–Te bond lengths. There are a spread of Te–Cl bond distances ranging from 3.31–3.94 Å. In the third Te+0.50- site, Te+0.50- is bonded in a 5-coordinate geometry to one Ru6+, two Te+0.50-, and three Cl1- atoms. The Te–Te bond length is 2.82 Å. There are a spread of Te–Cl bond distances ranging from 3.33–3.92 Å. In the fourth Te+0.50- site, Te+0.50- is bonded in a 4-coordinate geometry to two Te+0.50- and four Cl1- atoms. There are a spread of Te–Cl bond distances ranging from 3.79–4.09 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 12-coordinate geometry to twelve Te+0.50- atoms. In the second Cl1- site, Cl1- is bonded in a 12-coordinate geometry to twelve Te+0.50- atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ge13Sb13Te32 by Materials Project

Ge13Sb13Te32 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are thirteen inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded in a 5-coordinate geometry to six Te2- atoms. There are a spread of Ge–Te bond distances ranging from 2.77–3.50 Å. In the second Ge4+ site, Ge4+ is bonded to six Te2- atoms to form distorted GeTe6 octahedra that share corners with two equivalent GeTe6 octahedra, edges with four GeTe6 octahedra, and edges with four SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 14–17°. There are a spread of Ge–Te bond distances ranging from 2.77–3.32 Å. In the third Ge4+ site, Ge4+ is bonded to five Te2- atoms to form distorted GeTe5 square pyramids that share a cornercorner with one GeTe6 octahedra, corners with four SbTe6 octahedra, an edgeedge with one GeTe6 octahedra, and edges with five SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 14–81°. There are a spread of Ge–Te bond distances ranging from 2.75–3.25 Å. In the fourth Ge4+ site, Ge4+ is bonded in a 5-coordinate geometry to five Te2- atoms. There are a spread of Ge–Te bond distances ranging from 2.74–3.29 Å. In the fifth Ge4+ site, Ge4+ is bonded to six Te2- atoms to form GeTe6 octahedra that share corners with two equivalent GeTe6 octahedra, a cornercorner with one GeTe5 square pyramid, edges with three GeTe6 octahedra, and edges with five SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 5–7°. There are a spread of Ge–Te bond distances ranging from 2.83–3.32 Å. In the sixth Ge4+ site, Ge4+ is bonded to six Te2- atoms to form GeTe6 octahedra that share corners with two equivalent SbTe6 octahedra, corners with four GeTe6 octahedra, edges with two SbTe6 octahedra, edges with four GeTe6 octahedra, and an edgeedge with one GeTe5 square pyramid. The corner-sharing octahedra tilt angles range from 5–12°. There are a spread of Ge–Te bond distances ranging from 2.78–3.33 Å. In the seventh Ge4+ site, Ge4+ is bonded to six Te2- atoms to form distorted GeTe6 octahedra that share corners with six SbTe6 octahedra, edges with three GeTe6 octahedra, edges with three SbTe6 octahedra, and edges with two GeTe5 square pyramids. The corner-sharing octahedra tilt angles range from 3–15°. There are a spread of Ge–Te bond distances ranging from 2.73–3.42 Å. In the eighth Ge4+ site, Ge4+ is bonded to six Te2- atoms to form distorted GeTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with two equivalent SbTe6 octahedra, a cornercorner with one GeTe5 square pyramid, edges with three SbTe6 octahedra, and edges with five GeTe6 octahedra. The corner-sharing octahedra tilt angles range from 11–17°. There are a spread of Ge–Te bond distances ranging from 2.77–3.36 Å. In the ninth Ge4+ site, Ge4+ is bonded to six Te2- atoms to form GeTe6 octahedra that share edges with four GeTe6 octahedra, edges with seven SbTe6 octahedra, and an edgeedge with one GeTe5 square pyramid. There are a spread of Ge–Te bond distances ranging from 2.93–3.12 Å. In the tenth Ge4+ site, Ge4+ is bonded to five Te2- atoms to form distorted GeTe5 square pyramids that share corners with two GeTe6 octahedra, corners with three SbTe6 octahedra, edges with three SbTe6 octahedra, and edges with four GeTe6 octahedra. The corner-sharing octahedra tilt angles range from 7–82°. There are a spread of Ge–Te bond distances ranging from 2.71–3.31 Å. In the eleventh Ge4+ site, Ge4+ is bonded to six Te2- atoms to form GeTe6 octahedra that share corners with two equivalent SbTe6 octahedra, a cornercorner with one GeTe5 square pyramid, an edgeedge with one GeTe6 octahedra, and edges with eight SbTe6 octahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Ge–Te bond distances ranging from 2.89–3.25 Å. In the twelfth Ge4+ site, Ge4+ is bonded to six Te2- atoms to form GeTe6 octahedra that share corners with four SbTe6 octahedra, edges with four GeTe6 octahedra, and edges with four SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 5–15°. There are a spread of Ge–Te bond distances ranging from 2.82–3.24 Å. In the thirteenth Ge4+ site, Ge4+ is bonded to six Te2- atoms to form GeTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with two equivalent SbTe6 octahedra, edges with three SbTe6 octahedra, edges with four GeTe6 octahedra, and an edgeedge with one GeTe5 square pyramid. The corner-sharing octahedra tilt angles range from 8–12°. There are a spread of Ge–Te bond distances ranging from 2.82–3.34 Å. There are thirteen inequivalent Sb+0.92+ sites. In the first Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with four SbTe6 octahedra, a cornercorner with one GeTe5 square pyramid, edges with two SbTe6 octahedra, and edges with four GeTe6 octahedra. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Sb–Te bond distances ranging from 2.95–3.19 Å. In the second Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent SbTe6 octahedra, a cornercorner with one GeTe5 square pyramid, edges with three SbTe6 octahedra, and edges with four GeTe6 octahedra. The corner-sharing octahedra tilt angles range from 1–2°. There are a spread of Sb–Te bond distances ranging from 3.02–3.14 Å. In the third Sb+0.92+ site, Sb+0.92+ is bonded in a 6-coordinate geometry to six Te2- atoms. There are a spread of Sb–Te bond distances ranging from 2.79–3.57 Å. In the fourth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with two equivalent SbTe6 octahedra, edges with three SbTe6 octahedra, and edges with five GeTe6 octahedra. The corner-sharing octahedra tilt angles range from 3–15°. There are a spread of Sb–Te bond distances ranging from 2.90–3.38 Å. In the fifth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form distorted SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with two equivalent SbTe6 octahedra, edges with two GeTe6 octahedra, edges with four SbTe6 octahedra, and an edgeedge with one GeTe5 square pyramid. The corner-sharing octahedra tilt angles range from 7–24°. There are a spread of Sb–Te bond distances ranging from 2.82–3.52 Å. In the sixth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with two equivalent SbTe6 octahedra, edges with two GeTe6 octahedra, edges with four SbTe6 octahedra, and edges with two GeTe5 square pyramids. The corner-sharing octahedra tilt angles range from 10–16°. There are a spread of Sb–Te bond distances ranging from 2.88–3.35 Å. In the seventh Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent SbTe6 octahedra, a cornercorner with one GeTe5 square pyramid, edges with four GeTe6 octahedra, and edges with four SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 8–9°. There are a spread of Sb–Te bond distances ranging from 2.92–3.30 Å. In the eighth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form distorted SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with two equivalent SbTe6 octahedra, edges with three GeTe6 octahedra, and edges with five SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 11–14°. There are a spread of Sb–Te bond distances ranging from 2.84–3.55 Å. In the ninth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent SbTe6 octahedra, corners with four GeTe5 square pyramids, edges with three GeTe6 octahedra, and edges with six SbTe6 octahedra. The corner-sharing octahedra tilt angles range from 12–13°. There are a spread of Sb–Te bond distances ranging from 2.86–3.41 Å. In the tenth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with four SbTe6 octahedra, edges with three SbTe6 octahedra, and edges with five GeTe6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Sb–Te bond distances ranging from 2.82–3.39 Å. In the eleventh Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent SbTe6 octahedra, corners with four GeTe6 octahedra, edges with two GeTe6 octahedra, edges with five SbTe6 octahedra, and an edgeedge with one GeTe5 square pyramid. The corner-sharing octahedra tilt angles range from 6–24°. There are a spread of Sb–Te bond distances ranging from 2.85–3.47 Å. In the twelfth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form distorted SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with four SbTe6 octahedra, edges with two GeTe6 octahedra, edges with four SbTe6 octahedra, and edges with two GeTe5 square pyramids. The corner-sharing octahedra tilt angles range from 5–16°. There are a spread of Sb–Te bond distances ranging from 2.86–3.51 Å. In the thirteenth Sb+0.92+ site, Sb+0.92+ is bonded to six Te2- atoms to form SbTe6 octahedra that share corners with two equivalent GeTe6 octahedra, corners with four SbTe6 octahedra, edges with three GeTe6 octahedra, edges with three SbTe6 octahedra, and edges with two GeTe5 square pyramids. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Sb–Te bond distances ranging from 2.84–3.38 Å. There are thirty-two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to three Ge4+ and two Sb+0.92+ atoms to form distorted TeGe3Sb2 square pyramids that share corners with two TeGe3Sb3 octahedra, corners with four TeGeSb4 square pyramids, an edgeedge with one TeGe3Sb3 octahedra, and edges with three TeGe2Sb3 square pyramids. The corner-sharing octahedral tilt angles are 87°. In the second Te2- site, Te2- is bonded in a 4-coordinate geometry to two Ge4+ and three Sb+0.92+ atoms. In the third Te2- site, Te2- is bonded in a distorted rectangular see-saw-like geometry to three Ge4+ and one Sb+0.92+ atom. In the fourth Te2- site, Te2- is bonded in a distorted rectangular see-saw-like geometry to two Ge4+ and three Sb+0.92+ atoms. In the fifth Te2- site, Te2- is bonded in a 4-coordinate geometry to two Ge4+ and two Sb+0.92+ atoms. In the sixth Te2- site, Te2- is bonded in a distorted rectangular see-saw-like geometry to three Ge4+ and one Sb+0.92+ atom. In the seventh Te2- site, Te2- is bonded to one Ge4+ and four Sb+0.92+ atoms to form distorted TeGeSb4 square pyramids that share corners with five TeGe2Sb3 square pyramids, edges with three TeGe3Sb3 octahedra, and edges with three TeGe2Sb3 square pyramids. In the eighth Te2- site, Te2- is bonded to two Ge4+ and three Sb+0.92+ atoms to form distorted TeGe2Sb3 square pyramids that share corners with six TeGeSb4 square pyramids, edges with three TeGe3Sb3 octahedra, and an edgeedge with one TeGe2Sb3 square pyramid. In the ninth Te2- site, Te2- is bonded to two Ge4+ and three Sb+0.92+ atoms to form distorted TeGe2Sb3 square pyramids that share corners with four TeGe2Sb3 square pyramids, edges with two TeGe3Sb3 octahedra, and edges with four TeGeSb4 square pyramids. In the tenth Te2- site, Te2- is bonded in a 4-coordinate geometry to two Ge4+ and two Sb+0.92+ atoms. In the eleventh Te2- site, Te2- is bonded to two Ge4+ and three Sb+0.92+ atoms to form TeGe2Sb3 square pyramids that share corners with four TeGe3Sb3 octahedra, corners with two TeGe2Sb3 square pyramids, and edges with three TeGe2Sb3 square pyramids. The corner-sharing octahedra tilt angles range from 12–14°. In the twelfth Te2- site, Te2- is bonded to four Ge4+ and one Sb+0.92+ atom to form distorted TeGe4Sb square pyramids that share

36 MATERIALS SCIENCE↗

Materials Data on Ta4Te16Pd3 by Materials Project

Ta4Pd3Te16 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one Ta4Pd3Te16 sheet oriented in the (2, 0, 1) direction. there are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded in a 8-coordinate geometry to eight Te+1.62- atoms. There are a spread of Ta–Te bond distances ranging from 2.85–2.96 Å. In the second Ta5+ site, Ta5+ is bonded to six Te+1.62- atoms to form distorted TaTe6 octahedra that share edges with two equivalent PdTe6 octahedra and edges with four equivalent TaTe6 octahedra. There are a spread of Ta–Te bond distances ranging from 2.67–2.95 Å. There are two inequivalent Pd2+ sites. In the first Pd2+ site, Pd2+ is bonded to six Te+1.62- atoms to form edge-sharing PdTe6 octahedra. There are four shorter (2.70 Å) and two longer (2.83 Å) Pd–Te bond lengths. In the second Pd2+ site, Pd2+ is bonded to six Te+1.62- atoms to form distorted PdTe6 octahedra that share edges with two equivalent TaTe6 octahedra and edges with two equivalent PdTe6 octahedra. There are a spread of Pd–Te bond distances ranging from 2.74–2.98 Å. There are eight inequivalent Te+1.62- sites. In the first Te+1.62- site, Te+1.62- is bonded in a 3-coordinate geometry to two equivalent Ta5+ and one Pd2+ atom. In the second Te+1.62- site, Te+1.62- is bonded in a 3-coordinate geometry to one Ta5+ and two equivalent Pd2+ atoms. In the third Te+1.62- site, Te+1.62- is bonded in a distorted L-shaped geometry to two equivalent Ta5+ atoms. In the fourth Te+1.62- site, Te+1.62- is bonded in a distorted trigonal non-coplanar geometry to one Ta5+ and two equivalent Pd2+ atoms. In the fifth Te+1.62- site, Te+1.62- is bonded in a 2-coordinate geometry to two equivalent Ta5+ and one Pd2+ atom. In the sixth Te+1.62- site, Te+1.62- is bonded in a 3-coordinate geometry to one Ta5+ and two equivalent Pd2+ atoms. In the seventh Te+1.62- site, Te+1.62- is bonded in a 3-coordinate geometry to two equivalent Ta5+ and one Pd2+ atom. In the eighth Te+1.62- site, Te+1.62- is bonded in a distorted trigonal non-coplanar geometry to three equivalent Ta5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NbTe4 by Materials Project

NbTe4 crystallizes in the tetragonal P4 space group. The structure is one-dimensional and consists of four NbTe4 ribbons oriented in the (0, 0, 1) direction. there are six inequivalent Nb2+ sites. In the first Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.83 Å) and four longer (3.00 Å) Nb–Te bond lengths. In the second Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.83 Å) and four longer (2.99 Å) Nb–Te bond lengths. In the third Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.92 Å) and four longer (2.93 Å) Nb–Te bond lengths. In the fourth Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.83 Å) and four longer (3.00 Å) Nb–Te bond lengths. In the fifth Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.92 Å) and four longer (2.93 Å) Nb–Te bond lengths. In the sixth Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.83 Å) and four longer (2.99 Å) Nb–Te bond lengths. There are six inequivalent Te+0.50- sites. In the first Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms. In the second Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms. In the third Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms. In the fourth Te+0.50- site, Te+0.50- is bonded in a 2-coordinate geometry to two Nb2+ atoms. In the fifth Te+0.50- site, Te+0.50- is bonded in a 2-coordinate geometry to two Nb2+ atoms. In the sixth Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on CsSiTe3 by Materials Project

CsSiTe3 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 9-coordinate geometry to nine Te+1.67- atoms. There are a spread of Cs–Te bond distances ranging from 3.91–4.59 Å. In the second Cs1+ site, Cs1+ is bonded in a 7-coordinate geometry to seven Te+1.67- atoms. There are a spread of Cs–Te bond distances ranging from 3.93–4.31 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four Te+1.67- atoms to form corner-sharing SiTe4 tetrahedra. There are a spread of Si–Te bond distances ranging from 2.46–2.60 Å. In the second Si4+ site, Si4+ is bonded to four Te+1.67- atoms to form corner-sharing SiTe4 tetrahedra. There are a spread of Si–Te bond distances ranging from 2.50–2.57 Å. There are six inequivalent Te+1.67- sites. In the first Te+1.67- site, Te+1.67- is bonded in a 2-coordinate geometry to two equivalent Cs1+ and two Si4+ atoms. In the second Te+1.67- site, Te+1.67- is bonded in a 4-coordinate geometry to two Cs1+, one Si4+, and one Te+1.67- atom. The Te–Te bond length is 2.91 Å. In the third Te+1.67- site, Te+1.67- is bonded in a 1-coordinate geometry to four Cs1+ and one Si4+ atom. In the fourth Te+1.67- site, Te+1.67- is bonded in a 1-coordinate geometry to two Cs1+, one Si4+, and one Te+1.67- atom. In the fifth Te+1.67- site, Te+1.67- is bonded in a 1-coordinate geometry to four Cs1+ and one Si4+ atom. In the sixth Te+1.67- site, Te+1.67- is bonded in a 2-coordinate geometry to two Cs1+ and two Si4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on TeHO3 by Materials Project

HTeO3 crystallizes in the monoclinic Pc space group. The structure is two-dimensional and consists of two HTeO3 sheets oriented in the (0, 0, 1) direction. there are four inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are four inequivalent Te sites. In the first Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are a spread of Te–O bond distances ranging from 1.91–2.01 Å. In the second Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are a spread of Te–O bond distances ranging from 1.91–2.01 Å. In the third Te site, Te is bonded in a distorted rectangular see-saw-like geometry to four O atoms. There are a spread of Te–O bond distances ranging from 1.90–2.16 Å. In the fourth Te site, Te is bonded in a 4-coordinate geometry to four O atoms. There are a spread of Te–O bond distances ranging from 1.90–2.16 Å. There are twelve inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the second O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the third O site, O is bonded in a distorted bent 120 degrees geometry to one H and one Te atom. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one H and one Te atom. In the fifth O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the sixth O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the seventh O site, O is bonded in a distorted bent 120 degrees geometry to two Te atoms. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to two Te atoms. In the ninth O site, O is bonded in a distorted bent 150 degrees geometry to two Te atoms. In the tenth O site, O is bonded in a distorted bent 150 degrees geometry to two Te atoms. In the eleventh O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the twelfth O site, O is bonded in a bent 120 degrees geometry to two Te atoms.

36 MATERIALS SCIENCE↗

Materials Data on TeHO3 by Materials Project

HTeO3 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are two inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are four inequivalent Te sites. In the first Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Te–O bond distances ranging from 1.91–2.02 Å. In the second Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Te–O bond distances ranging from 1.91–2.02 Å. In the third Te site, Te is bonded in a distorted rectangular see-saw-like geometry to four O atoms. There are a spread of Te–O bond distances ranging from 1.95–2.18 Å. In the fourth Te site, Te is bonded in a distorted rectangular see-saw-like geometry to four O atoms. There are a spread of Te–O bond distances ranging from 1.95–2.18 Å. There are twelve inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the second O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the third O site, O is bonded in a distorted bent 120 degrees geometry to one H and one Te atom. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one H and one Te atom. The O–H bond length is 0.98 Å. In the fifth O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the sixth O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the seventh O site, O is bonded in a distorted water-like geometry to one H and one Te atom. In the eighth O site, O is bonded in a distorted water-like geometry to one H and one Te atom. The O–H bond length is 0.99 Å. In the ninth O site, O is bonded in a bent 150 degrees geometry to two Te atoms. In the tenth O site, O is bonded in a bent 150 degrees geometry to two Te atoms. In the eleventh O site, O is bonded in a distorted bent 120 degrees geometry to two Te atoms. In the twelfth O site, O is bonded in a distorted bent 120 degrees geometry to two Te atoms.

36 MATERIALS SCIENCE↗

Materials Data on TeHO3 by Materials Project

HTeO3 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are four inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.00 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.01 Å. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are four inequivalent Te sites. In the first Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 43–48°. There are a spread of Te–O bond distances ranging from 1.88–2.03 Å. In the second Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 43–48°. There are a spread of Te–O bond distances ranging from 1.92–2.00 Å. In the third Te site, Te is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Te–O bond distances ranging from 1.97–2.43 Å. In the fourth Te site, Te is bonded in a 3-coordinate geometry to three O atoms. There are a spread of Te–O bond distances ranging from 1.86–1.98 Å. There are twelve inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the second O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the third O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the fourth O site, O is bonded in a water-like geometry to one H and one Te atom. In the fifth O site, O is bonded in a distorted single-bond geometry to two Te atoms. In the sixth O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the seventh O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to two Te atoms. In the ninth O site, O is bonded in a bent 150 degrees geometry to two Te atoms. In the tenth O site, O is bonded in a distorted bent 150 degrees geometry to two Te atoms. In the eleventh O site, O is bonded in a distorted bent 150 degrees geometry to two Te atoms. In the twelfth O site, O is bonded in a bent 120 degrees geometry to two Te atoms.

36 MATERIALS SCIENCE↗

Materials Data on TeHO3 by Materials Project

HTeO3 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are four inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. There are four inequivalent Te sites. In the first Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Te–O bond distances ranging from 1.91–2.01 Å. In the second Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Te–O bond distances ranging from 1.91–2.01 Å. In the third Te site, Te is bonded in a 4-coordinate geometry to four O atoms. There are a spread of Te–O bond distances ranging from 1.95–2.21 Å. In the fourth Te site, Te is bonded in a distorted rectangular see-saw-like geometry to four O atoms. There are a spread of Te–O bond distances ranging from 1.95–2.17 Å. There are twelve inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the second O site, O is bonded in a distorted single-bond geometry to one H and one Te atom. In the third O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the fourth O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the fifth O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the sixth O site, O is bonded in a bent 120 degrees geometry to two Te atoms. In the seventh O site, O is bonded in a distorted bent 120 degrees geometry to two Te atoms. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to two Te atoms. In the ninth O site, O is bonded in a distorted bent 120 degrees geometry to one H and one Te atom. In the tenth O site, O is bonded in a distorted bent 120 degrees geometry to one H and one Te atom. In the eleventh O site, O is bonded in a bent 150 degrees geometry to two Te atoms. In the twelfth O site, O is bonded in a bent 150 degrees geometry to two Te atoms.

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Materials Data on NbTe4 by Materials Project

NbTe4 crystallizes in the tetragonal P4 space group. The structure is one-dimensional and consists of two NbTe4 ribbons oriented in the (0, 0, 1) direction. there are six inequivalent Nb2+ sites. In the first Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.82 Å) and four longer (3.00 Å) Nb–Te bond lengths. In the second Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.83 Å) and four longer (2.99 Å) Nb–Te bond lengths. In the third Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.83 Å) and four longer (2.99 Å) Nb–Te bond lengths. In the fourth Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are four shorter (2.82 Å) and four longer (2.99 Å) Nb–Te bond lengths. In the fifth Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. All Nb–Te bond lengths are 2.92 Å. In the sixth Nb2+ site, Nb2+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. All Nb–Te bond lengths are 2.92 Å. There are six inequivalent Te+0.50- sites. In the first Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms. In the second Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms. In the third Te+0.50- site, Te+0.50- is bonded in a 2-coordinate geometry to two Nb2+ atoms. In the fourth Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms. In the fifth Te+0.50- site, Te+0.50- is bonded in a 2-coordinate geometry to two Nb2+ atoms. In the sixth Te+0.50- site, Te+0.50- is bonded in a 3-coordinate geometry to two Nb2+ atoms.

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Materials Data on Cu(TeO3)4 by Materials Project

Cu(TeO3)4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Cu2+ is bonded in a 3-coordinate geometry to six O2- atoms. There are a spread of Cu–O bond distances ranging from 1.96–2.54 Å. There are four inequivalent Te+5.50+ sites. In the first Te+5.50+ site, Te+5.50+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 32–40°. There are a spread of Te–O bond distances ranging from 1.95–2.05 Å. In the second Te+5.50+ site, Te+5.50+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 35–42°. There are a spread of Te–O bond distances ranging from 1.94–2.06 Å. In the third Te+5.50+ site, Te+5.50+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 32–42°. There are a spread of Te–O bond distances ranging from 1.96–2.03 Å. In the fourth Te+5.50+ site, Te+5.50+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 33–41°. There are a spread of Te–O bond distances ranging from 1.94–2.05 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Cu2+ and two Te+5.50+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two Te+5.50+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two Te+5.50+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+ and two Te+5.50+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two Te+5.50+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two Te+5.50+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+ and two Te+5.50+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+ and two Te+5.50+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cu2+ and two Te+5.50+ atoms. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Te+5.50+ atoms. In the eleventh O2- site, O2- is bonded in a distorted T-shaped geometry to one Cu2+ and two Te+5.50+ atoms. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to two Te+5.50+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Te15W2(Br6O)2 by Materials Project

(WOBr4)2(Te)9(Te2Br)2(TeBr)2 crystallizes in the triclinic P1 space group. The structure is one-dimensional and consists of nine tellurium molecules; one Te2Br ribbon oriented in the (1, 0, 0) direction; one TeBr ribbon oriented in the (1, 0, 0) direction; and one WOBr4 ribbon oriented in the (1, 0, 0) direction. In the Te2Br ribbon, there are four inequivalent Te+0.40+ sites. In the first Te+0.40+ site, Te+0.40+ is bonded in an L-shaped geometry to two Br1- atoms. Both Te–Br bond lengths are 3.10 Å. In the second Te+0.40+ site, Te+0.40+ is bonded in a distorted L-shaped geometry to two Br1- atoms. Both Te–Br bond lengths are 3.14 Å. In the third Te+0.40+ site, Te+0.40+ is bonded in an L-shaped geometry to two Br1- atoms. There are one shorter (3.20 Å) and one longer (3.21 Å) Te–Br bond lengths. In the fourth Te+0.40+ site, Te+0.40+ is bonded in a distorted L-shaped geometry to two Br1- atoms. There are one shorter (3.12 Å) and one longer (3.13 Å) Te–Br bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted square co-planar geometry to four Te+0.40+ atoms. In the second Br1- site, Br1- is bonded in a distorted square co-planar geometry to four Te+0.40+ atoms. In the TeBr ribbon, there are two inequivalent Te+0.40+ sites. In the first Te+0.40+ site, Te+0.40+ is bonded in an L-shaped geometry to two Br1- atoms. There are one shorter (2.90 Å) and one longer (2.92 Å) Te–Br bond lengths. In the second Te+0.40+ site, Te+0.40+ is bonded in an L-shaped geometry to two Br1- atoms. Both Te–Br bond lengths are 2.95 Å. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in an L-shaped geometry to two Te+0.40+ atoms. In the second Br1- site, Br1- is bonded in an L-shaped geometry to two Te+0.40+ atoms. In the WOBr4 ribbon, there are two inequivalent W5+ sites. In the first W5+ site, W5+ is bonded to two O2- and four Br1- atoms to form distorted corner-sharing WBr4O2 octahedra. The corner-sharing octahedral tilt angles are 1°. There is one shorter (1.86 Å) and one longer (2.10 Å) W–O bond length. There are a spread of W–Br bond distances ranging from 2.56–2.58 Å. In the second W5+ site, W5+ is bonded to two O2- and four Br1- atoms to form distorted corner-sharing WBr4O2 octahedra. The corner-sharing octahedral tilt angles are 1°. There is one shorter (1.85 Å) and one longer (2.12 Å) W–O bond length. There are a spread of W–Br bond distances ranging from 2.54–2.59 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two W5+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two W5+ atoms. There are eight inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the second Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the third Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the fourth Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the fifth Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the sixth Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the seventh Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom. In the eighth Br1- site, Br1- is bonded in a distorted single-bond geometry to one W5+ atom.

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Materials Data on Te8IrI5 by Materials Project

Ir(Te)2Te6I5 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of two iridium atom molecules; four telloy molecules; and one Te6I5 ribbon oriented in the (1, 0, 0) direction. In the Te6I5 ribbon, there are six inequivalent Te+0.25+ sites. In the first Te+0.25+ site, Te+0.25+ is bonded in a single-bond geometry to one I1- atom. The Te–I bond length is 3.13 Å. In the second Te+0.25+ site, Te+0.25+ is bonded in a distorted single-bond geometry to two I1- atoms. There are one shorter (3.23 Å) and one longer (3.65 Å) Te–I bond lengths. In the third Te+0.25+ site, Te+0.25+ is bonded in a single-bond geometry to one I1- atom. The Te–I bond length is 3.42 Å. In the fourth Te+0.25+ site, Te+0.25+ is bonded in a rectangular see-saw-like geometry to four I1- atoms. There are a spread of Te–I bond distances ranging from 2.89–3.18 Å. In the fifth Te+0.25+ site, Te+0.25+ is bonded in a distorted bent 150 degrees geometry to two I1- atoms. There are one shorter (3.40 Å) and one longer (3.55 Å) Te–I bond lengths. In the sixth Te+0.25+ site, Te+0.25+ is bonded in a bent 150 degrees geometry to two I1- atoms. There are one shorter (3.47 Å) and one longer (3.55 Å) Te–I bond lengths. There are five inequivalent I1- sites. In the first I1- site, I1- is bonded in a distorted water-like geometry to two Te+0.25+ atoms. In the second I1- site, I1- is bonded in a distorted water-like geometry to two Te+0.25+ atoms. In the third I1- site, I1- is bonded in a single-bond geometry to one Te+0.25+ atom. In the fourth I1- site, I1- is bonded in a 1-coordinate geometry to three Te+0.25+ atoms. In the fifth I1- site, I1- is bonded in a 1-coordinate geometry to four Te+0.25+ atoms.

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Materials Data on Cs3Te13Mo12 by Materials Project

Cs3Mo12Te13 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. there are three inequivalent Cs sites. In the first Cs site, Cs is bonded in a 10-coordinate geometry to ten Te atoms. There are a spread of Cs–Te bond distances ranging from 3.92–4.13 Å. In the second Cs site, Cs is bonded in a 9-coordinate geometry to nine Te atoms. There are a spread of Cs–Te bond distances ranging from 3.97–4.07 Å. In the third Cs site, Cs is bonded in a 9-coordinate geometry to nine Te atoms. There are a spread of Cs–Te bond distances ranging from 3.92–4.14 Å. There are four inequivalent Mo sites. In the first Mo site, Mo is bonded in a 9-coordinate geometry to four Mo and five Te atoms. There are a spread of Mo–Mo bond distances ranging from 2.66–2.80 Å. There are a spread of Mo–Te bond distances ranging from 2.74–2.96 Å. In the second Mo site, Mo is bonded in a 10-coordinate geometry to six Mo and four Te atoms. There are a spread of Mo–Mo bond distances ranging from 2.70–2.80 Å. There are a spread of Mo–Te bond distances ranging from 2.79–2.90 Å. In the third Mo site, Mo is bonded in a 10-coordinate geometry to six Mo and four Te atoms. There are a spread of Mo–Mo bond distances ranging from 2.66–2.82 Å. There are a spread of Mo–Te bond distances ranging from 2.82–2.90 Å. In the fourth Mo site, Mo is bonded in a 10-coordinate geometry to six Mo and four Te atoms. There are two shorter (2.67 Å) and two longer (2.76 Å) Mo–Mo bond lengths. There are a spread of Mo–Te bond distances ranging from 2.82–2.89 Å. There are five inequivalent Te sites. In the first Te site, Te is bonded in a 7-coordinate geometry to three Cs and four Mo atoms. In the second Te site, Te is bonded in a 4-coordinate geometry to one Cs and three equivalent Mo atoms. In the third Te site, Te is bonded in a distorted pentagonal planar geometry to one Cs and four Mo atoms. In the fourth Te site, Te is bonded in a 6-coordinate geometry to two Cs and four Mo atoms. In the fifth Te site, Te is bonded in a 7-coordinate geometry to three Cs and four Mo atoms.

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Materials Data on Te4MoBr by Materials Project

MoTe4Br crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Mo3+ is bonded in a 8-coordinate geometry to eight Te+0.50- atoms. There are a spread of Mo–Te bond distances ranging from 2.75–2.90 Å. There are four inequivalent Te+0.50- sites. In the first Te+0.50- site, Te+0.50- is bonded in a 1-coordinate geometry to two equivalent Mo3+, one Te+0.50-, and three equivalent Br1- atoms. The Te–Te bond length is 2.83 Å. There are a spread of Te–Br bond distances ranging from 2.98–4.06 Å. In the second Te+0.50- site, Te+0.50- is bonded in a 5-coordinate geometry to two equivalent Mo3+, one Te+0.50-, and two equivalent Br1- atoms. There are one shorter (3.81 Å) and one longer (4.06 Å) Te–Br bond lengths. In the third Te+0.50- site, Te+0.50- is bonded in a 5-coordinate geometry to two equivalent Mo3+, one Te+0.50-, and two equivalent Br1- atoms. The Te–Te bond length is 2.71 Å. There are one shorter (3.58 Å) and one longer (4.22 Å) Te–Br bond lengths. In the fourth Te+0.50- site, Te+0.50- is bonded in a 1-coordinate geometry to two equivalent Mo3+, one Te+0.50-, and three equivalent Br1- atoms. There are a spread of Te–Br bond distances ranging from 3.30–4.15 Å. Br1- is bonded in a 2-coordinate geometry to ten Te+0.50- atoms.

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Materials Data on K(TeO3)2 by Materials Project

K(TeO3)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.94–3.16 Å. In the second K site, K is bonded in a 1-coordinate geometry to three O atoms. There are one shorter (2.54 Å) and two longer (2.91 Å) K–O bond lengths. There are five inequivalent Te sites. In the first Te site, Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 48°. There is two shorter (1.83 Å) and four longer (2.05 Å) Te–O bond length. In the second Te site, Te is bonded to five O atoms to form corner-sharing TeO5 square pyramids. The corner-sharing octahedra tilt angles range from 40–62°. There are a spread of Te–O bond distances ranging from 1.96–2.28 Å. In the third Te site, Te is bonded to six O atoms to form TeO6 octahedra that share corners with four equivalent TeO6 octahedra and corners with two equivalent TeO5 square pyramids. The corner-sharing octahedral tilt angles are 46°. All Te–O bond lengths are 1.95 Å. In the fourth Te site, Te is bonded to six O atoms to form TeO6 octahedra that share corners with four TeO6 octahedra and corners with two equivalent TeO5 square pyramids. The corner-sharing octahedra tilt angles range from 45–48°. There are a spread of Te–O bond distances ranging from 1.94–1.99 Å. In the fifth Te site, Te is bonded to six O atoms to form TeO6 octahedra that share corners with four TeO6 octahedra and corners with two equivalent TeO5 square pyramids. The corner-sharing octahedra tilt angles range from 41–46°. There are a spread of Te–O bond distances ranging from 1.90–2.01 Å. There are eight inequivalent O sites. In the first O site, O is bonded in a 2-coordinate geometry to two Te atoms. In the second O site, O is bonded in a 2-coordinate geometry to one K and two Te atoms. In the third O site, O is bonded in a bent 150 degrees geometry to one K and one Te atom. In the fourth O site, O is bonded in a 2-coordinate geometry to one K and two equivalent Te atoms. In the fifth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent Te atoms. In the sixth O site, O is bonded in a distorted trigonal planar geometry to one K and two Te atoms. In the seventh O site, O is bonded in a 4-coordinate geometry to two K and two Te atoms. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to one K and two Te atoms.

36 MATERIALS SCIENCE↗