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DOE OSTI2020

Materials Data on V2O3 by Materials Project

V2O3 is Corundum structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. V3+ is bonded to six equivalent O2- atoms to form a mixture of corner, edge, and face-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 47–60°. There are three shorter (2.02 Å) and three longer (2.11 Å) V–O bond lengths. O2- is bonded to four equivalent V3+ atoms to form a mixture of distorted corner and edge-sharing OV4 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 is Rutile structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. V4+ is bonded to six equivalent O2- atoms to form a mixture of corner and edge-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 50°. There is two shorter (1.91 Å) and four longer (1.99 Å) V–O bond length. O2- is bonded in a distorted trigonal planar geometry to three equivalent V4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V6O13 by Materials Project

V6O13 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are six inequivalent V+4.33+ sites. In the first V+4.33+ site, V+4.33+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.69–2.24 Å. In the second V+4.33+ site, V+4.33+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.70–2.23 Å. In the third V+4.33+ site, V+4.33+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.68–2.29 Å. In the fourth V+4.33+ site, V+4.33+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.68–2.29 Å. In the fifth V+4.33+ site, V+4.33+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 0–28°. There are a spread of V–O bond distances ranging from 1.70–2.16 Å. In the sixth V+4.33+ site, V+4.33+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 0–19°. There are a spread of V–O bond distances ranging from 1.90–2.03 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two V+4.33+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two V+4.33+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to three V+4.33+ atoms. In the fourth O2- site, O2- is bonded in a linear geometry to two V+4.33+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two V+4.33+ atoms. In the sixth O2- site, O2- is bonded to four V+4.33+ atoms to form a mixture of distorted edge and corner-sharing OV4 tetrahedra. In the seventh O2- site, O2- is bonded in a distorted T-shaped geometry to three V+4.33+ atoms. In the eighth O2- site, O2- is bonded in a distorted T-shaped geometry to three V+4.33+ atoms. In the ninth O2- site, O2- is bonded in a distorted T-shaped geometry to three V+4.33+ atoms. In the tenth O2- site, O2- is bonded in a distorted T-shaped geometry to three V+4.33+ atoms. In the eleventh O2- site, O2- is bonded to four V+4.33+ atoms to form a mixture of distorted edge and corner-sharing OV4 tetrahedra. In the twelfth O2- site, O2- is bonded in a linear geometry to two V+4.33+ atoms. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to three V+4.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V2O5 by Materials Project

V2O5 crystallizes in the monoclinic P2_1/m space group. The structure is two-dimensional and consists of one V2O5 sheet oriented in the (0, 0, 1) direction. there are two inequivalent V5+ sites. In the first V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.60–2.36 Å. In the second V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.67–2.35 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the third O2- site, O2- is bonded in a linear geometry to two V5+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to four V5+ atoms. In the fifth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V2O5 by Materials Project

V2O5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. V5+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 26–56°. There are a spread of V–O bond distances ranging from 1.68–2.17 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three equivalent V5+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V2O3 by Materials Project

V2O3 crystallizes in the monoclinic Cc space group. The structure is two-dimensional and consists of two V2O3 sheets oriented in the (0, 0, 1) direction. there are two inequivalent V3+ sites. In the first V3+ site, V3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of V–O bond distances ranging from 1.79–1.87 Å. In the second V3+ site, V3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of V–O bond distances ranging from 1.77–1.85 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two V3+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two V3+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 crystallizes in the monoclinic P2/m space group. The structure is one-dimensional and consists of one VO2 ribbon oriented in the (1, 0, 0) direction. there are two inequivalent V4+ sites. In the first V4+ site, V4+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.61–1.91 Å. In the second V4+ site, V4+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There is two shorter (1.87 Å) and two longer (1.95 Å) V–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to three V4+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two V4+ atoms. In the third O2- site, O2- is bonded in a single-bond geometry to one V4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V3O5 by Materials Project

V3O5 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. there are four inequivalent V+3.33+ sites. In the first V+3.33+ site, V+3.33+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.77–2.19 Å. In the second V+3.33+ site, V+3.33+ is bonded to six O2- atoms to form a mixture of distorted edge, face, and corner-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 41–57°. There are a spread of V–O bond distances ranging from 1.94–2.16 Å. In the third V+3.33+ site, V+3.33+ is bonded to six O2- atoms to form corner-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 50–62°. There are a spread of V–O bond distances ranging from 1.99–2.09 Å. In the fourth V+3.33+ site, V+3.33+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 41–58°. There are a spread of V–O bond distances ranging from 2.03–2.09 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to three V+3.33+ atoms. In the second O2- site, O2- is bonded to four V+3.33+ atoms to form a mixture of distorted edge and corner-sharing OV4 trigonal pyramids. In the third O2- site, O2- is bonded in a trigonal planar geometry to three V+3.33+ atoms. In the fourth O2- site, O2- is bonded to four V+3.33+ atoms to form a mixture of distorted edge and corner-sharing OV4 trigonal pyramids. In the fifth O2- site, O2- is bonded to four V+3.33+ atoms to form a mixture of distorted edge and corner-sharing OV4 trigonal pyramids. In the sixth O2- site, O2- is bonded to four V+3.33+ atoms to form a mixture of distorted edge and corner-sharing OV4 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V2O5 by Materials Project

V2O5 crystallizes in the orthorhombic Pmmn space group. The structure is two-dimensional and consists of one V2O5 sheet oriented in the (0, 1, 0) direction. V5+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 20°. There are a spread of V–O bond distances ranging from 1.81–2.03 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent V5+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two equivalent V5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 is trigonal omega-like structured and crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent V4+ sites. In the first V4+ site, V4+ is bonded to six O2- atoms to form edge-sharing VO6 octahedra. There are a spread of V–O bond distances ranging from 1.92–2.00 Å. In the second V4+ site, V4+ is bonded to six O2- atoms to form edge-sharing VO6 octahedra. There are a spread of V–O bond distances ranging from 1.92–2.00 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V4+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V4+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V4+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V10O9 by Materials Project

V10O9 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent V sites. In the first V site, V is bonded to six O atoms to form VO6 octahedra that share corners with three VO6 octahedra, corners with three VO5 square pyramids, edges with four VO6 octahedra, and edges with eight VO5 square pyramids. The corner-sharing octahedra tilt angles range from 1–2°. There are a spread of V–O bond distances ranging from 2.19–2.21 Å. In the second V site, V is bonded to six O atoms to form VO6 octahedra that share corners with three VO6 octahedra, corners with three VO5 square pyramids, edges with four VO6 octahedra, and edges with eight VO5 square pyramids. The corner-sharing octahedra tilt angles range from 1–2°. There are a spread of V–O bond distances ranging from 2.18–2.23 Å. In the third V site, V is bonded to five O atoms to form VO5 square pyramids that share corners with three VO6 octahedra, corners with six VO5 square pyramids, edges with four VO6 octahedra, and edges with four VO5 square pyramids. The corner-sharing octahedra tilt angles range from 2–3°. There are two shorter (2.18 Å) and three longer (2.21 Å) V–O bond lengths. In the fourth V site, V is bonded to five O atoms to form VO5 square pyramids that share corners with three VO6 octahedra, corners with six VO5 square pyramids, edges with four VO6 octahedra, and edges with four VO5 square pyramids. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of V–O bond distances ranging from 2.19–2.22 Å. In the fifth V site, V is bonded to five O atoms to form VO5 square pyramids that share corners with two equivalent VO6 octahedra, corners with seven VO5 square pyramids, edges with six VO6 octahedra, and edges with two VO5 square pyramids. The corner-sharing octahedra tilt angles range from 1–4°. There are a spread of V–O bond distances ranging from 2.18–2.23 Å. In the sixth V site, V is bonded to five O atoms to form VO5 square pyramids that share corners with two equivalent VO6 octahedra, corners with seven VO5 square pyramids, edges with six VO6 octahedra, and edges with two VO5 square pyramids. The corner-sharing octahedra tilt angles range from 1–4°. There are a spread of V–O bond distances ranging from 2.19–2.23 Å. In the seventh V site, V is bonded to five O atoms to form VO5 square pyramids that share corners with two VO6 octahedra, corners with seven VO5 square pyramids, edges with five VO6 octahedra, and edges with three VO5 square pyramids. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of V–O bond distances ranging from 2.17–2.26 Å. In the eighth V site, V is bonded to five O atoms to form VO5 square pyramids that share corners with two VO6 octahedra, corners with seven VO5 square pyramids, edges with five VO6 octahedra, and edges with three VO5 square pyramids. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of V–O bond distances ranging from 2.17–2.23 Å. In the ninth V site, V is bonded to six O atoms to form VO6 octahedra that share corners with two equivalent VO6 octahedra, corners with four VO5 square pyramids, edges with five VO6 octahedra, and edges with seven VO5 square pyramids. The corner-sharing octahedral tilt angles are 2°. There are a spread of V–O bond distances ranging from 2.18–2.21 Å. In the tenth V site, V is bonded to six O atoms to form VO6 octahedra that share corners with two equivalent VO6 octahedra, corners with four VO5 square pyramids, edges with five VO6 octahedra, and edges with seven VO5 square pyramids. The corner-sharing octahedra tilt angles range from 1–2°. There are a spread of V–O bond distances ranging from 2.19–2.21 Å. There are nine inequivalent O sites. In the first O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 1–6°. In the second O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 0–5°. In the third O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. In the fourth O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. In the fifth O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 0–5°. In the sixth O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. In the seventh O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 1–6°. In the eighth O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. In the ninth O site, O is bonded to six V atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedra tilt angles range from 2–5°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO by Materials Project

VO is Halite, Rock Salt structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. V2+ is bonded to six equivalent O2- atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 0°. All V–O bond lengths are 2.20 Å. O2- is bonded to six equivalent V2+ atoms to form a mixture of edge and corner-sharing OV6 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V3O5 by Materials Project

V3O5 crystallizes in the triclinic P1 space group. The structure is two-dimensional and consists of one V3O5 sheet oriented in the (1, -1, 1) direction. there are six inequivalent V+3.33+ sites. In the first V+3.33+ site, V+3.33+ is bonded in a 4-coordinate geometry to three O2- atoms. There are a spread of V–O bond distances ranging from 1.34–2.21 Å. In the second V+3.33+ site, V+3.33+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of V–O bond distances ranging from 1.69–2.33 Å. In the third V+3.33+ site, V+3.33+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of V–O bond distances ranging from 1.54–2.21 Å. In the fourth V+3.33+ site, V+3.33+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.22–2.12 Å. In the fifth V+3.33+ site, V+3.33+ is bonded in a distorted linear geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.74–2.59 Å. In the sixth V+3.33+ site, V+3.33+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.30–2.12 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two V+3.33+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two V+3.33+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to three V+3.33+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two V+3.33+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one V+3.33+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two V+3.33+ atoms. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one V+3.33+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two V+3.33+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to three V+3.33+ atoms. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to three V+3.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of one VO2 ribbon oriented in the (1, 0, 0) direction. there are two inequivalent V4+ sites. In the first V4+ site, V4+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.91–2.02 Å. In the second V4+ site, V4+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.61–1.89 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two V4+ atoms. In the second O2- site, O2- is bonded in a single-bond geometry to one V4+ atom. In the third O2- site, O2- is bonded in a distorted T-shaped geometry to three V4+ atoms. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to two V4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 is trigonal omega-like structured and crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one VO2 sheet oriented in the (0, 0, 1) direction. V4+ is bonded to six equivalent O2- atoms to form edge-sharing VO6 octahedra. There is two shorter (1.89 Å) and four longer (2.02 Å) V–O bond length. O2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent V4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 is trigonal omega-like structured and crystallizes in the tetragonal I4_1/a space group. The structure is three-dimensional. V4+ is bonded to six equivalent O2- atoms to form edge-sharing VO6 octahedra. There is two shorter (1.90 Å) and four longer (2.01 Å) V–O bond length. O2- is bonded in a 3-coordinate geometry to three equivalent V4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on V8O by Materials Project

V8O crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. there are three inequivalent V sites. In the first V site, V is bonded in a distorted body-centered cubic geometry to eight V atoms. There are a spread of V–V bond distances ranging from 2.54–2.70 Å. In the second V site, V is bonded in a single-bond geometry to four equivalent V and one O atom. The V–O bond length is 1.95 Å. In the third V site, V is bonded in an L-shaped geometry to four equivalent V and two equivalent O atoms. Both V–O bond lengths are 2.13 Å. O is bonded to six V atoms to form edge-sharing OV6 octahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on VO2 by Materials Project

VO2 is Pb(Zr_(1-x)Ti_x)O3-derived structured and crystallizes in the orthorhombic Pma2 space group. The structure is three-dimensional. there are seven inequivalent V4+ sites. In the first V4+ site, V4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 6–26°. There are a spread of V–O bond distances ranging from 1.70–2.22 Å. In the second V4+ site, V4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 2–26°. There are a spread of V–O bond distances ranging from 1.71–2.20 Å. In the third V4+ site, V4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 2–25°. There are a spread of V–O bond distances ranging from 1.94–2.13 Å. In the fourth V4+ site, V4+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 1–6°. There are a spread of V–O bond distances ranging from 1.72–2.12 Å. In the fifth V4+ site, V4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.68–2.30 Å. In the sixth V4+ site, V4+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing VO6 octahedra. The corner-sharing octahedra tilt angles range from 1–22°. There are a spread of V–O bond distances ranging from 1.91–2.12 Å. In the seventh V4+ site, V4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.70–2.21 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two V4+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two V4+ atoms. In the third O2- site, O2- is bonded in a linear geometry to two V4+ atoms. In the fourth O2- site, O2- is bonded in a linear geometry to two V4+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two V4+ atoms. In the sixth O2- site, O2- is bonded in a linear geometry to two V4+ atoms. In the seventh O2- site, O2- is bonded in a distorted see-saw-like geometry to four V4+ atoms. In the eighth O2- site, O2- is bonded in a distorted see-saw-like geometry to four V4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to four V4+ atoms. In the tenth O2- site, O2- is bonded in a distorted see-saw-like geometry to four V4+ atoms. In the eleventh O2- site, O2- is bonded in a distorted see-saw-like geometry to four V4+ atoms. In the twelfth O2- site, O2- is bonded in a distorted see-saw-like geometry to four V4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to four V4+ atoms.

36 MATERIALS SCIENCE↗