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Materials Data on VTe by Materials Project

TeV is Molybdenum Carbide MAX Phase-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. V2+ is bonded to six equivalent Te2- atoms to form a mixture of corner, edge, and face-sharing VTe6 octahedra. The corner-sharing octahedral tilt angles are 50°. All V–Te bond lengths are 2.82 Å. Te2- is bonded in a 6-coordinate geometry to six equivalent V2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on V3Te4 by Materials Project

V3Te4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent V+2.67+ sites. In the first V+2.67+ site, V+2.67+ is bonded to six Te2- atoms to form a mixture of edge, face, and corner-sharing VTe6 octahedra. The corner-sharing octahedra tilt angles range from 52–54°. There are a spread of V–Te bond distances ranging from 2.71–2.88 Å. In the second V+2.67+ site, V+2.67+ is bonded to six Te2- atoms to form a mixture of edge, face, and corner-sharing VTe6 octahedra. The corner-sharing octahedra tilt angles range from 52–54°. There are two shorter (2.76 Å) and four longer (2.81 Å) V–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a distorted rectangular see-saw-like geometry to four V+2.67+ atoms. In the second Te2- site, Te2- is bonded in a 5-coordinate geometry to five V+2.67+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on VTe2 by Materials Project

VTe2 is Molybdenite-like structured and crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one VTe2 sheet oriented in the (2, 0, -1) direction. there are two inequivalent V4+ sites. In the first V4+ site, V4+ is bonded to six Te2- atoms to form edge-sharing VTe6 octahedra. There are four shorter (2.73 Å) and two longer (2.77 Å) V–Te bond lengths. In the second V4+ site, V4+ is bonded to six Te2- atoms to form distorted edge-sharing VTe6 octahedra. There are a spread of V–Te bond distances ranging from 2.56–2.80 Å. There are three inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 3-coordinate geometry to three V4+ atoms. In the second Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent V4+ atoms. In the third Te2- site, Te2- is bonded in a 3-coordinate geometry to three V4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on V5Te4 by Materials Project

V5Te4 is Titanium telluride structured and crystallizes in the tetragonal I4/m space group. The structure is three-dimensional. there are two inequivalent V sites. In the first V site, V is bonded to eight equivalent V and four equivalent Te atoms to form face-sharing VV8Te4 cuboctahedra. All V–V bond lengths are 2.67 Å. All V–Te bond lengths are 2.77 Å. In the second V site, V is bonded in a 5-coordinate geometry to four V and five equivalent Te atoms. Both V–V bond lengths are 2.52 Å. There are a spread of V–Te bond distances ranging from 2.78–2.89 Å. Te is bonded in a 6-coordinate geometry to six V atoms.

36 MATERIALS SCIENCE↗

Materials Data on VTe2 by Materials Project

VTe2 is trigonal omega structured and crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one VTe2 sheet oriented in the (0, 0, 1) direction. V4+ is bonded to six equivalent Te2- atoms to form edge-sharing VTe6 octahedra. All V–Te bond lengths are 2.72 Å. Te2- is bonded in a 3-coordinate geometry to three equivalent V4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on V5Te8 by Materials Project

V5Te8 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent V+3.20+ sites. In the first V+3.20+ site, V+3.20+ is bonded to six Te2- atoms to form a mixture of edge and corner-sharing VTe6 octahedra. The corner-sharing octahedra tilt angles range from 53–56°. There are a spread of V–Te bond distances ranging from 2.68–2.86 Å. In the second V+3.20+ site, V+3.20+ is bonded to six Te2- atoms to form a mixture of face, edge, and corner-sharing VTe6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of V–Te bond distances ranging from 2.65–2.82 Å. In the third V+3.20+ site, V+3.20+ is bonded to six Te2- atoms to form a mixture of face and corner-sharing VTe6 octahedra. The corner-sharing octahedra tilt angles range from 53–56°. All V–Te bond lengths are 2.77 Å. There are three inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 3-coordinate geometry to three V+3.20+ atoms. In the second Te2- site, Te2- is bonded to four V+3.20+ atoms to form a mixture of distorted edge and corner-sharing TeV4 trigonal pyramids. In the third Te2- site, Te2- is bonded to four V+3.20+ atoms to form a mixture of distorted edge and corner-sharing TeV4 trigonal pyramids.

36 MATERIALS SCIENCE↗

Materials Data on V9Te8 by Materials Project

V9Te8 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are nine inequivalent V sites. In the first V site, V is bonded in a 11-coordinate geometry to seven V and four Te atoms. There are a spread of V–V bond distances ranging from 2.47–2.97 Å. There are a spread of V–Te bond distances ranging from 2.73–2.83 Å. In the second V site, V is bonded in a 9-coordinate geometry to five V and four Te atoms. There are a spread of V–V bond distances ranging from 2.46–2.74 Å. There are a spread of V–Te bond distances ranging from 2.74–2.80 Å. In the third V site, V is bonded in a 5-coordinate geometry to three V and five Te atoms. The V–V bond length is 2.61 Å. There are a spread of V–Te bond distances ranging from 2.72–2.82 Å. In the fourth V site, V is bonded in a 5-coordinate geometry to three V and five Te atoms. There are one shorter (2.60 Å) and one longer (2.63 Å) V–V bond lengths. There are a spread of V–Te bond distances ranging from 2.71–2.79 Å. In the fifth V site, V is bonded in a distorted square pyramidal geometry to three V and five Te atoms. The V–V bond length is 2.82 Å. There are a spread of V–Te bond distances ranging from 2.70–2.76 Å. In the sixth V site, V is bonded in a 5-coordinate geometry to three V and five Te atoms. There are one shorter (2.49 Å) and one longer (2.51 Å) V–V bond lengths. There are a spread of V–Te bond distances ranging from 2.77–2.85 Å. In the seventh V site, V is bonded in a 9-coordinate geometry to four V and five Te atoms. There are a spread of V–Te bond distances ranging from 2.77–3.00 Å. In the eighth V site, V is bonded in a 5-coordinate geometry to four V and five Te atoms. There are a spread of V–Te bond distances ranging from 2.72–2.87 Å. In the ninth V site, V is bonded in a 5-coordinate geometry to four V and five Te atoms. There are a spread of V–Te bond distances ranging from 2.74–3.04 Å. There are eight inequivalent Te sites. In the first Te site, Te is bonded in a 5-coordinate geometry to five V atoms. In the second Te site, Te is bonded in a 6-coordinate geometry to six V atoms. In the third Te site, Te is bonded in a 5-coordinate geometry to five V atoms. In the fourth Te site, Te is bonded in a 5-coordinate geometry to five V atoms. In the fifth Te site, Te is bonded in a 5-coordinate geometry to five V atoms. In the sixth Te site, Te is bonded in a 5-coordinate geometry to five V atoms. In the seventh Te site, Te is bonded in a 6-coordinate geometry to six V atoms. In the eighth Te site, Te is bonded in a 6-coordinate geometry to six V atoms.

36 MATERIALS SCIENCE↗