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DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 25–36°. There is one shorter (1.80 Å) and one longer (1.99 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.00 Å. In the second V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 25–36°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.95–2.03 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V+3.75+ atoms. There are five inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two equivalent V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two equivalent V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two equivalent V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 26–39°. The V–O bond length is 1.68 Å. There is four shorter (1.98 Å) and one longer (2.01 Å) V–F bond length. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form distorted corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 22–39°. There is one shorter (1.67 Å) and one longer (2.11 Å) V–O bond length. There is two shorter (1.97 Å) and two longer (1.98 Å) V–F bond length. In the third V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 26–35°. The V–O bond length is 1.98 Å. There are a spread of V–F bond distances ranging from 1.95–2.02 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form distorted corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 22–38°. There is one shorter (1.66 Å) and one longer (2.12 Å) V–O bond length. There is three shorter (1.97 Å) and one longer (1.98 Å) V–F bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. There are nine inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–27°. Both V–O bond lengths are 1.98 Å. There are a spread of V–F bond distances ranging from 1.96–1.98 Å. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–32°. There is one shorter (1.68 Å) and one longer (1.95 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.97–2.05 Å. In the third V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 23–35°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.96–2.06 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 24–31°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.97–2.01 Å. In the fifth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 24–35°. The V–O bond length is 1.67 Å. There are a spread of V–F bond distances ranging from 1.95–2.07 Å. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 25–39°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.97–2.07 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–39°. There is one shorter (1.68 Å) and one longer (2.08 Å) V–O bond length. There is two shorter (1.97 Å) and two longer (1.98 Å) V–F bond length. In the eighth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–33°. There is one shorter (1.99 Å) and one longer (2.00 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.94–1.97 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–28°. Both V–O bond lengths are 1.96 Å. There is two shorter (1.96 Å) and two longer (2.01 Å) V–F bond length. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 19–31°. There is one shorter (1.69 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.94–2.04 Å. In the third V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–35°. There is one shorter (1.69 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.95–2.02 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 22–31°. There is one shorter (1.94 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.02 Å. In the fifth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 22–35°. The V–O bond length is 1.70 Å. There are a spread of V–F bond distances ranging from 1.96–2.02 Å. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 22–38°. The V–O bond length is 1.67 Å. There are a spread of V–F bond distances ranging from 1.96–2.06 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 22–38°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.95–2.04 Å. In the eighth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 19–31°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.96–2.04 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 20–25°. There is one shorter (1.99 Å) and one longer (2.00 Å) V–O bond length. All V–F bond lengths are 1.95 Å. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 19–32°. There is one shorter (1.69 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.05 Å. In the third V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 20–30°. There is one shorter (1.67 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.04 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–32°. There is one shorter (1.95 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.97–2.01 Å. In the fifth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 24–32°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.96–2.05 Å. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 21–32°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.95–2.04 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 22–32°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.96–2.06 Å. In the eighth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 19–32°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.96–2.04 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 24–34°. There is one shorter (1.99 Å) and one longer (2.00 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.95–1.97 Å. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–32°. There is one shorter (1.69 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.94–2.06 Å. In the third V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–33°. There is one shorter (1.68 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.97–2.03 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–32°. There is one shorter (1.95 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.95–2.01 Å. In the fifth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 23–33°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.96–2.06 Å. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 23–34°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.95–2.05 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 25–34°. The V–O bond length is 1.67 Å. There are a spread of V–F bond distances ranging from 1.97–2.05 Å. In the eighth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 21–33°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.96–2.04 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 25–34°. There is one shorter (1.96 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.01 Å. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 24–33°. There is one shorter (1.98 Å) and one longer (1.99 Å) V–O bond length. There is two shorter (1.95 Å) and two longer (1.96 Å) V–F bond length. In the third V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 25–39°. There is one shorter (1.69 Å) and one longer (2.06 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.94–1.98 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–33°. There is one shorter (1.68 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.98–2.03 Å. In the fifth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 25–39°. The V–O bond length is 1.69 Å. There are four shorter (1.97 Å) and one longer (2.04 Å) V–F bond lengths. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 23–34°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.96–2.06 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 25–34°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.93–2.04 Å. In the eighth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 25–33°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.97–2.02 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 22–27°. There is one shorter (1.98 Å) and one longer (2.00 Å) V–O bond length. There is three shorter (1.95 Å) and one longer (1.96 Å) V–F bond length. In the second V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–32°. There is one shorter (1.70 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.04 Å. In the third V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 22–30°. There is one shorter (1.68 Å) and one longer (1.94 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.97–2.04 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 23–32°. There is one shorter (1.94 Å) and one longer (1.96 Å) V–O bond length. There is two shorter (1.97 Å) and two longer (2.00 Å) V–F bond length. In the fifth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 24–30°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.96–2.04 Å. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 23–38°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.95–2.04 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 23–38°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.96–2.06 Å. In the eighth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 21–31°. The V–O bond length is 1.69 Å. There are a spread of V–F bond distances ranging from 1.97–2.03 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent V+3.75+ sites. In the first V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–26°. There is one shorter (1.98 Å) and one longer (1.99 Å) V–O bond length. There is one shorter (1.95 Å) and three longer (1.96 Å) V–F bond length. In the second V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 21–31°. The V–O bond length is 1.70 Å. There are a spread of V–F bond distances ranging from 1.94–2.02 Å. In the third V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 21–32°. The V–O bond length is 1.67 Å. There are a spread of V–F bond distances ranging from 1.97–2.04 Å. In the fourth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 21–31°. There is one shorter (1.93 Å) and one longer (1.97 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.01 Å. In the fifth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 19–32°. There is one shorter (1.70 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.96–2.05 Å. In the sixth V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 22–38°. The V–O bond length is 1.68 Å. There are a spread of V–F bond distances ranging from 1.95–2.05 Å. In the seventh V+3.75+ site, V+3.75+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 22–38°. The V–O bond length is 1.67 Å. There are a spread of V–F bond distances ranging from 1.97–2.05 Å. In the eighth V+3.75+ site, V+3.75+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 19–30°. There is one shorter (1.69 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.95–2.06 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two V+3.75+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the second F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the tenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eleventh F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the twelfth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the thirteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fourteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the fifteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the sixteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the seventeenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms. In the eighteenth F1- site, F1- is bonded in a bent 150 degrees geometry to two V+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on V4(OF3)3 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗

DOE OSTI2020