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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 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 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 Li2SbP(OF3)2 by Materials Project

Li2SbP(OF3)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 5-coordinate geometry to one O2- and four F1- atoms. The Li–O bond length is 1.95 Å. There are a spread of Li–F bond distances ranging from 1.79–2.51 Å. In the second Li1+ site, Li1+ is bonded in a 5-coordinate geometry to two O2- and three F1- atoms. There are one shorter (2.07 Å) and one longer (2.57 Å) Li–O bond lengths. There are a spread of Li–F bond distances ranging from 1.93–2.15 Å. In the third Li1+ site, Li1+ is bonded in a distorted see-saw-like geometry to one O2- and three F1- atoms. The Li–O bond length is 1.96 Å. There are a spread of Li–F bond distances ranging from 1.84–2.25 Å. In the fourth Li1+ site, Li1+ is bonded in a distorted trigonal non-coplanar geometry to three F1- atoms. There are a spread of Li–F bond distances ranging from 1.81–2.23 Å. There are two inequivalent Sb3+ sites. In the first Sb3+ site, Sb3+ is bonded to two O2- and four F1- atoms to form distorted SbO2F4 octahedra that share corners with two PO2F2 tetrahedra. There are one shorter (2.27 Å) and one longer (2.67 Å) Sb–O bond lengths. There are a spread of Sb–F bond distances ranging from 1.98–2.52 Å. In the second Sb3+ site, Sb3+ is bonded in a 6-coordinate geometry to two O2- and four F1- atoms. There are one shorter (2.62 Å) and one longer (2.74 Å) Sb–O bond lengths. There are a spread of Sb–F bond distances ranging from 2.01–2.15 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to two O2- and two F1- atoms to form PO2F2 tetrahedra that share a cornercorner with one SbO2F4 octahedra. The corner-sharing octahedral tilt angles are 35°. Both P–O bond lengths are 1.49 Å. There is one shorter (1.57 Å) and one longer (1.58 Å) P–F bond length. In the second P5+ site, P5+ is bonded to two O2- and two F1- atoms to form PO2F2 tetrahedra that share a cornercorner with one SbO2F4 octahedra. The corner-sharing octahedral tilt angles are 50°. Both P–O bond lengths are 1.49 Å. Both P–F bond lengths are 1.59 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb3+ and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+, one Sb3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Sb3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Li1+, one Sb3+, and one P5+ atom. There are twelve inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Li1+ and one Sb3+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one P5+ atom. In the third F1- site, F1- is bonded in a linear geometry to one Li1+ and one P5+ atom. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Li1+ and one Sb3+ atom. In the fifth F1- site, F1- is bonded in a distorted linear geometry to one Li1+ and one Sb3+ atom. In the sixth F1- site, F1- is bonded in a bent 120 degrees geometry to one Li1+ and one Sb3+ atom. In the seventh F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to two Li1+ and one Sb3+ atom. In the eighth F1- site, F1- is bonded in a single-bond geometry to one Sb3+ atom. In the ninth F1- site, F1- is bonded in a distorted L-shaped geometry to one Li1+ and one Sb3+ atom. In the tenth F1- site, F1- is bonded in a distorted linear geometry to one Li1+ and one P5+ atom. In the eleventh F1- site, F1- is bonded in a distorted linear geometry to one Li1+ and one P5+ atom. In the twelfth F1- site, F1- is bonded in a distorted water-like geometry to one Li1+ and one Sb3+ atom.

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 Li3V4(OF3)3 by Materials Project

Li3V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 6-coordinate geometry to one O2- and five F1- atoms. The Li–O bond length is 1.92 Å. There are a spread of Li–F bond distances ranging from 2.03–2.51 Å. In the second Li1+ site, Li1+ is bonded in a 6-coordinate geometry to two O2- and four F1- atoms. There are one shorter (2.03 Å) and one longer (2.28 Å) Li–O bond lengths. There are a spread of Li–F bond distances ranging from 1.97–2.56 Å. In the third Li1+ site, Li1+ is bonded in a 6-coordinate geometry to two O2- and four F1- atoms. There are one shorter (2.25 Å) and one longer (2.36 Å) Li–O bond lengths. There are a spread of Li–F bond distances ranging from 1.93–2.37 Å. In the fourth Li1+ site, Li1+ is bonded in a 3-coordinate geometry to one O2- and five F1- atoms. The Li–O bond length is 1.94 Å. There are a spread of Li–F bond distances ranging from 1.95–2.57 Å. In the fifth Li1+ site, Li1+ is bonded in a 5-coordinate geometry to two O2- and three F1- atoms. There are one shorter (1.95 Å) and one longer (2.20 Å) Li–O bond lengths. There are a spread of Li–F bond distances ranging from 2.03–2.12 Å. In the sixth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to two O2- and four F1- atoms. There are one shorter (2.00 Å) and one longer (2.43 Å) Li–O bond lengths. There are a spread of Li–F bond distances ranging from 1.96–2.52 Å. There are eight inequivalent V3+ sites. In the first V3+ site, V3+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 33–46°. There is one shorter (1.92 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 2.01–2.12 Å. In the second V3+ site, V3+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 33–43°. There is one shorter (1.92 Å) and one longer (1.95 Å) V–O bond length. There are a spread of V–F bond distances ranging from 2.04–2.10 Å. In the third V3+ site, V3+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 37–46°. The V–O bond length is 1.84 Å. There are a spread of V–F bond distances ranging from 2.01–2.12 Å. In the fourth V3+ site, V3+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 29–43°. The V–O bond length is 1.84 Å. There are a spread of V–F bond distances ranging from 2.02–2.12 Å. In the fifth V3+ site, V3+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 35–46°. The V–O bond length is 1.86 Å. There are a spread of V–F bond distances ranging from 1.95–2.09 Å. In the sixth V3+ site, V3+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 29–43°. There is one shorter (1.83 Å) and one longer (1.93 Å) V–O bond length. There are a spread of V–F bond distances ranging from 2.06–2.13 Å. In the seventh V3+ site, V3+ is bonded to two O2- and four F1- atoms to form corner-sharing VO2F4 octahedra. The corner-sharing octahedra tilt angles range from 35–42°. There is one shorter (1.88 Å) and one longer (1.93 Å) V–O bond length. There are a spread of V–F bond distances ranging from 2.04–2.16 Å. In the eighth V3+ site, V3+ is bonded to one O2- and five F1- atoms to form corner-sharing VOF5 octahedra. The corner-sharing octahedra tilt angles range from 35–46°. The V–O bond length is 1.85 Å. There are a spread of V–F bond distances ranging from 2.01–2.12 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted see-saw-like geometry to two Li1+ and two V3+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+ and two V3+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two V3+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to two Li1+ and two V3+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted T-shaped geometry to one Li1+ and two V3+ atoms. In the second F1- site, F1- is bonded in a 3-coordinate geometry to one Li1+ and two V3+ atoms. In the third F1- site, F1- is bonded in a distorted see-saw-like geometry to two Li1+ and two V3+ atoms. In the fourth F1- site, F1- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two V3+ atoms. In the sixth F1- site, F1- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the seventh F1- site, F1- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the eighth F1- site, F1- is bonded in a T-shaped geometry to one Li1+ and two V3+ atoms. In the ninth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two V3+ atoms. In the tenth F1- site, F1- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the eleventh F1- site, F1- is bonded in a 2-coordinate geometry to one Li1+ and two V3+ atoms. In the twelfth F1- site, F1- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the thirteenth F1- site, F1- is bonded in a 4-coordinate geometry to two Li1+ and two V3+ atoms. In the fourteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two V3+ atoms. In the fifteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two V3+ atoms. In the sixteenth F1- site, F1- is bonded in a distorted T-shaped geometry to one Li1+ and two V3+ atoms. In the seventeenth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two V3+ atoms. In the eighteenth F1- site, F1- is bonded in a T-shaped geometry to one Li1+ and two V3+ 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 Fe7(OF3)3 by Materials Project

Fe7(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are seven inequivalent Fe+2.14+ sites. In the first Fe+2.14+ site, Fe+2.14+ is bonded in a distorted rectangular see-saw-like geometry to four F1- atoms. There are a spread of Fe–F bond distances ranging from 1.84–2.17 Å. In the second Fe+2.14+ site, Fe+2.14+ is bonded in a 5-coordinate geometry to two O2- and three F1- atoms. There are one shorter (2.02 Å) and one longer (2.10 Å) Fe–O bond lengths. There are a spread of Fe–F bond distances ranging from 1.98–2.43 Å. In the third Fe+2.14+ site, Fe+2.14+ is bonded in a 2-coordinate geometry to one O2- and six F1- atoms. The Fe–O bond length is 2.32 Å. There are a spread of Fe–F bond distances ranging from 1.94–2.74 Å. In the fourth Fe+2.14+ site, Fe+2.14+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Fe–O bond distances ranging from 1.73–2.14 Å. In the fifth Fe+2.14+ site, Fe+2.14+ is bonded in a 3-coordinate geometry to one O2- and three F1- atoms. The Fe–O bond length is 1.78 Å. There are a spread of Fe–F bond distances ranging from 1.98–2.46 Å. In the sixth Fe+2.14+ site, Fe+2.14+ is bonded in a 2-coordinate geometry to two O2- and three F1- atoms. There are one shorter (2.36 Å) and one longer (2.59 Å) Fe–O bond lengths. There are a spread of Fe–F bond distances ranging from 1.93–2.37 Å. In the seventh Fe+2.14+ site, Fe+2.14+ is bonded in a 4-coordinate geometry to one O2- and four F1- atoms. The Fe–O bond length is 1.94 Å. There are a spread of Fe–F bond distances ranging from 1.70–2.62 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to four Fe+2.14+ atoms. In the second O2- site, O2- is bonded in a distorted water-like geometry to three Fe+2.14+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to three Fe+2.14+ and one F1- atom. The O–F bond length is 2.16 Å. There are nine inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted water-like geometry to two Fe+2.14+ atoms. In the second F1- site, F1- is bonded in a 1-coordinate geometry to two Fe+2.14+ atoms. In the third F1- site, F1- is bonded in a distorted bent 120 degrees geometry to three Fe+2.14+ atoms. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to three Fe+2.14+ atoms. In the fifth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.14+ atoms. In the sixth F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two Fe+2.14+ atoms. In the seventh F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.14+ atoms. In the eighth F1- site, F1- is bonded in a 1-coordinate geometry to three Fe+2.14+ and one O2- atom. In the ninth F1- site, F1- is bonded in a distorted water-like geometry to two Fe+2.14+ 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 SrTiH4(OF3)2 by Materials Project

SrTiH4(OF3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to three O2- and five F1- atoms. There are a spread of Sr–O bond distances ranging from 2.66–2.72 Å. There are a spread of Sr–F bond distances ranging from 2.48–2.52 Å. Ti4+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Ti–F bond distances ranging from 1.88–1.92 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to two equivalent Sr2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to one Sr2+ and two H1+ atoms. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and one Ti4+ atom. In the second F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and one Ti4+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Ti4+ atom. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to one Sr2+ and one Ti4+ atom. In the fifth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and one Ti4+ atom. In the sixth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Sr2+ and one Ti4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li3V4(OF3)3 by Materials Project

Li3V4(OF3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one O2- and two F1- atoms. The Li–O bond length is 2.28 Å. There is one shorter (1.71 Å) and one longer (1.85 Å) Li–F bond length. In the second Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one O2- and three F1- atoms. The Li–O bond length is 1.45 Å. There are a spread of Li–F bond distances ranging from 1.87–2.42 Å. In the third Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one V3+, one O2-, and three F1- atoms. The Li–V bond length is 2.15 Å. The Li–O bond length is 1.58 Å. There are one shorter (1.91 Å) and two longer (2.27 Å) Li–F bond lengths. In the fourth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one V3+, one O2-, and three F1- atoms. The Li–V bond length is 2.16 Å. The Li–O bond length is 1.57 Å. There are a spread of Li–F bond distances ranging from 1.91–2.30 Å. In the fifth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one O2- and three F1- atoms. The Li–O bond length is 1.45 Å. There are a spread of Li–F bond distances ranging from 1.82–2.46 Å. In the sixth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one V3+, one O2-, and three F1- atoms. The Li–V bond length is 2.16 Å. The Li–O bond length is 1.58 Å. There are one shorter (1.94 Å) and two longer (2.28 Å) Li–F bond lengths. In the seventh Li1+ site, Li1+ is bonded in a 4-coordinate geometry to one V3+, one O2-, and three F1- atoms. The Li–V bond length is 2.18 Å. The Li–O bond length is 1.70 Å. There are one shorter (2.04 Å) and two longer (2.18 Å) Li–F bond lengths. In the eighth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to two F1- atoms. There is one shorter (1.69 Å) and one longer (1.81 Å) Li–F bond length. In the ninth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to three F1- atoms. There are a spread of Li–F bond distances ranging from 1.72–2.49 Å. In the tenth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to one O2- and three F1- atoms. The Li–O bond length is 1.43 Å. There are a spread of Li–F bond distances ranging from 1.92–2.45 Å. In the eleventh Li1+ site, Li1+ is bonded in a 2-coordinate geometry to three F1- atoms. There are a spread of Li–F bond distances ranging from 1.71–2.43 Å. In the twelfth Li1+ site, Li1+ is bonded in a 2-coordinate geometry to three F1- atoms. There are a spread of Li–F bond distances ranging from 1.72–2.46 Å. There are sixteen inequivalent V3+ sites. In the first V3+ site, V3+ is bonded in a distorted pentagonal bipyramidal geometry to one Li1+, one O2-, and five F1- atoms. The V–O bond length is 1.99 Å. There are a spread of V–F bond distances ranging from 1.92–2.63 Å. In the second V3+ site, V3+ is bonded in a distorted linear geometry to two F1- atoms. There is one shorter (1.20 Å) and one longer (1.26 Å) V–F bond length. In the third V3+ site, V3+ is bonded in a 4-coordinate geometry to two O2- and three F1- atoms. There is one shorter (1.95 Å) and one longer (2.02 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.83–2.52 Å. In the fourth V3+ site, V3+ is bonded in a 4-coordinate geometry to one Li1+, one O2-, and five F1- atoms. The V–O bond length is 2.00 Å. There are a spread of V–F bond distances ranging from 1.95–2.62 Å. In the fifth V3+ site, V3+ is bonded in a distorted bent 150 degrees geometry to one O2- and two F1- atoms. The V–O bond length is 2.52 Å. There is one shorter (1.21 Å) and one longer (1.22 Å) V–F bond length. In the sixth V3+ site, V3+ is bonded in a linear geometry to two F1- atoms. There is one shorter (1.20 Å) and one longer (1.22 Å) V–F bond length. In the seventh V3+ site, V3+ is bonded in a distorted linear geometry to two F1- atoms. There is one shorter (1.21 Å) and one longer (1.25 Å) V–F bond length. In the eighth V3+ site, V3+ is bonded in a 4-coordinate geometry to two O2- and three F1- atoms. There is one shorter (1.95 Å) and one longer (1.96 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.79–2.53 Å. In the ninth V3+ site, V3+ is bonded in a distorted bent 150 degrees geometry to two F1- atoms. There is one shorter (1.21 Å) and one longer (1.23 Å) V–F bond length. In the tenth V3+ site, V3+ is bonded in a linear geometry to two F1- atoms. There is one shorter (1.20 Å) and one longer (1.22 Å) V–F bond length. In the eleventh V3+ site, V3+ is bonded in a 4-coordinate geometry to one Li1+, one O2-, and five F1- atoms. The V–O bond length is 2.01 Å. There are a spread of V–F bond distances ranging from 1.92–2.61 Å. In the twelfth V3+ site, V3+ is bonded in a distorted linear geometry to two F1- atoms. There is one shorter (1.20 Å) and one longer (1.25 Å) V–F bond length. In the thirteenth V3+ site, V3+ is bonded in a distorted square co-planar geometry to two O2- and two F1- atoms. There is one shorter (1.92 Å) and one longer (2.05 Å) V–O bond length. There is one shorter (1.90 Å) and one longer (1.92 Å) V–F bond length. In the fourteenth V3+ site, V3+ is bonded in a 4-coordinate geometry to one Li1+, one O2-, and five F1- atoms. The V–O bond length is 2.00 Å. There are a spread of V–F bond distances ranging from 1.93–2.61 Å. In the fifteenth V3+ site, V3+ is bonded in a distorted linear geometry to two F1- atoms. There is one shorter (1.20 Å) and one longer (1.26 Å) V–F bond length. In the sixteenth V3+ site, V3+ is bonded in a 4-coordinate geometry to two O2- and three F1- atoms. There is one shorter (1.93 Å) and one longer (2.01 Å) V–O bond length. There are a spread of V–F bond distances ranging from 1.88–2.54 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+ and one V3+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one V3+ and one F1- atom. The O–F bond length is 2.63 Å. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+, one V3+, and one F1- atom. The O–F bond length is 2.76 Å. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+ and one V3+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one V3+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+ and one V3+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+, one V3+, and one F1- atom. The O–F bond length is 2.73 Å. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+ and one V3+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one V3+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+ and one V3+ atom. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one V3+ atom. There are thirty-six inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to one Li1+ and two V3+ atoms. In the second F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ atom. In the third F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to two V3+ atoms. In the fifth F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the sixth F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the seventh F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the eighth F1- site, F1- is bonded in a 2-coordinate geometry to two Li1+ and one V3+ atom. In the ninth F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the tenth F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the eleventh F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the twelfth F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two V3+ atoms. In the thirteenth F1- site, F1- is bonded in a water-like geometry to two Li1+ atoms. In the fourteenth F1- site, F1- is bonded in a water-like geometry to two Li1+ atoms. In the fifteenth F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and two V3+ atoms. In the sixteenth F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and two V3+ atoms. In the seventeenth F1- site, F1- is bonded in a single-bond geometry to one V3+ atom. In the eighteenth F1- site, F1- is bonded in a single-bond geometry to one V3+ atom. In the nineteenth F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the twentieth F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the twenty-first F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the twenty-second F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the twenty-third F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the twenty-fourth F1- site, F1- is bonded in a 1-coordinate geometry to two Li1+ and one V3+ atom. In the twenty-fifth F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the twenty-sixth F1- site, F1- is bonded in a 1-coordinate geometry to two V3+ atoms. In the twenty-seventh F1- site, F1- is bonded in a single-bond geometry to one Li1+ and one F1- atom. The F–F bond length is 2.29 Å. In the twenty-eighth F1- site, F1- is bonded in a water-like geometry to two Li1+ atoms. In the twenty-ninth F1- site, F1- is bonded in a 3-coordinate geometry to one Li1+ and two V3+ atoms. In the thirtieth F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and two V3+ atoms. In the thirty-first F1- site, F1- is bonded in a single-bond geometry to one V3+ atom. In the thirty-second F1- site, F1- is bonded in a single-bond geometry to one V3+ atom. In the thirty-third F1- site, F1- is bonded in a 1-coordinate geometry to one Li1+ and two V3+ atoms. In the thirty-fourth F1- site, F1- is bonded in a 1-coordinate geometry to two Li1+, one V3+, three O2-, and one F1- atom. In the thirty-fifth F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one V3+ atom. In the thirty-sixth F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two V3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiCo3(OF3)2 by Materials Project

LiCo3(OF3)2 is zeta iron carbide-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Li1+ is bonded to six F1- atoms to form LiF6 octahedra that share corners with eight CoO2F4 octahedra and edges with two equivalent CoO2F4 octahedra. The corner-sharing octahedra tilt angles range from 49–53°. There are a spread of Li–F bond distances ranging from 1.95–2.07 Å. There are two inequivalent Co3+ sites. In the first Co3+ site, Co3+ is bonded to two equivalent O2- and four F1- atoms to form CoO2F4 octahedra that share corners with four equivalent LiF6 octahedra, corners with four equivalent CoO2F4 octahedra, and edges with two equivalent CoO2F4 octahedra. The corner-sharing octahedra tilt angles range from 48–52°. Both Co–O bond lengths are 1.94 Å. There is two shorter (1.95 Å) and two longer (1.96 Å) Co–F bond length. In the second Co3+ site, Co3+ is bonded to two equivalent O2- and four F1- atoms to form CoO2F4 octahedra that share corners with two equivalent LiF6 octahedra, corners with six CoO2F4 octahedra, an edgeedge with one LiF6 octahedra, and an edgeedge with one CoO2F4 octahedra. The corner-sharing octahedra tilt angles range from 45–53°. There is one shorter (1.86 Å) and one longer (1.92 Å) Co–O bond length. There are a spread of Co–F bond distances ranging from 1.95–2.03 Å. O2- is bonded in a distorted trigonal planar geometry to three Co3+ atoms. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two Co3+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two Co3+ atoms. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two equivalent Co3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiSbP(OF3)2 by Materials Project

LiSbP(OF3)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to one O2- and three F1- atoms to form distorted LiOF3 trigonal pyramids that share a cornercorner with one SbO2F4 octahedra and corners with two equivalent PO2F2 tetrahedra. The corner-sharing octahedral tilt angles are 51°. The Li–O bond length is 1.93 Å. There are a spread of Li–F bond distances ranging from 1.89–2.21 Å. In the second Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five F1- atoms. There are a spread of Li–F bond distances ranging from 1.84–2.53 Å. There are two inequivalent Sb5+ sites. In the first Sb5+ site, Sb5+ is bonded in a 4-coordinate geometry to one O2- and four F1- atoms. The Sb–O bond length is 2.61 Å. There are a spread of Sb–F bond distances ranging from 1.94–2.31 Å. In the second Sb5+ site, Sb5+ is bonded to two O2- and four F1- atoms to form SbO2F4 octahedra that share corners with two PO2F2 tetrahedra and a cornercorner with one LiOF3 trigonal pyramid. There are one shorter (2.01 Å) and one longer (2.02 Å) Sb–O bond lengths. There are a spread of Sb–F bond distances ranging from 1.89–1.93 Å. There are two inequivalent P4+ sites. In the first P4+ site, P4+ is bonded to two O2- and two F1- atoms to form PO2F2 tetrahedra that share a cornercorner with one SbO2F4 octahedra. The corner-sharing octahedral tilt angles are 44°. There is one shorter (1.47 Å) and one longer (1.55 Å) P–O bond length. There is one shorter (1.56 Å) and one longer (1.57 Å) P–F bond length. In the second P4+ site, P4+ is bonded to two O2- and two F1- atoms to form PO2F2 tetrahedra that share a cornercorner with one SbO2F4 octahedra and corners with two equivalent LiOF3 trigonal pyramids. The corner-sharing octahedral tilt angles are 46°. There is one shorter (1.47 Å) and one longer (1.54 Å) P–O bond length. There is one shorter (1.54 Å) and one longer (1.57 Å) P–F bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Sb5+ and one P4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P4+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one P4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P4+ atom. There are twelve inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted water-like geometry to one Li1+ and one Sb5+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to one Li1+ and one P4+ atom. In the third F1- site, F1- is bonded in a linear geometry to one Li1+ and one P4+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the fifth F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the sixth F1- site, F1- is bonded in a bent 120 degrees geometry to one Li1+ and one Sb5+ atom. In the seventh F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Li1+ and one Sb5+ atom. In the eighth F1- site, F1- is bonded in a distorted linear geometry to one Li1+ and one Sb5+ atom. In the ninth F1- site, F1- is bonded in a bent 150 degrees geometry to one Li1+ and one Sb5+ atom. In the tenth F1- site, F1- is bonded in a distorted bent 120 degrees geometry to one Li1+ and one P4+ atom. In the eleventh F1- site, F1- is bonded in a single-bond geometry to one P4+ atom. In the twelfth F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2Sn(OF3)2 by Materials Project

Li2Sn(OF3)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Li is bonded to two equivalent O and four F atoms to form LiO2F4 octahedra that share corners with four equivalent SnF6 octahedra and edges with two equivalent LiO2F4 octahedra. The corner-sharing octahedra tilt angles range from 38–57°. Both Li–O bond lengths are 2.14 Å. There are two shorter (1.98 Å) and two longer (2.09 Å) Li–F bond lengths. Sn is bonded to six F atoms to form SnF6 octahedra that share corners with eight equivalent LiO2F4 octahedra. The corner-sharing octahedra tilt angles range from 38–57°. There are four shorter (1.99 Å) and two longer (2.03 Å) Sn–F bond lengths. O is bonded in a water-like geometry to two equivalent Li atoms. There are two inequivalent F sites. In the first F site, F is bonded in a bent 150 degrees geometry to one Li and one Sn atom. In the second F site, F is bonded in a trigonal planar geometry to two equivalent Li and one Sn atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaSb2(OF3)2 by Materials Project

NaSb2(OF3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Na is bonded in a 7-coordinate geometry to one O and six F atoms. The Na–O bond length is 2.35 Å. There are a spread of Na–F bond distances ranging from 2.34–2.80 Å. There are two inequivalent Sb sites. In the first Sb site, Sb is bonded to one O and four F atoms to form distorted SbOF4 square pyramids that share a cornercorner with one SbO2F3 trigonal bipyramid and an edgeedge with one SbOF4 square pyramid. The Sb–O bond length is 1.96 Å. There are a spread of Sb–F bond distances ranging from 1.92–2.20 Å. In the second Sb site, Sb is bonded to two O and three F atoms to form corner-sharing SbO2F3 trigonal bipyramids. There is one shorter (1.85 Å) and one longer (2.00 Å) Sb–O bond length. There are a spread of Sb–F bond distances ranging from 1.92–1.98 Å. There are two inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to two Sb atoms. In the second O site, O is bonded in a bent 150 degrees geometry to one Na and one Sb atom. There are six inequivalent F sites. In the first F site, F is bonded in a 3-coordinate geometry to two equivalent Na and one Sb atom. In the second F site, F is bonded in a single-bond geometry to one Sb atom. In the third F site, F is bonded in a bent 120 degrees geometry to one Na and one Sb atom. In the fourth F site, F is bonded in a water-like geometry to one Na and one Sb atom. In the fifth F site, F is bonded in a bent 120 degrees geometry to two equivalent Sb atoms. In the sixth F site, F is bonded in a 3-coordinate geometry to two equivalent Na and one Sb atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrTi(OF3)2 by Materials Project

SrTi(OF3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr is bonded in a 5-coordinate geometry to three O and five F atoms. There are a spread of Sr–O bond distances ranging from 2.85–2.99 Å. There are a spread of Sr–F bond distances ranging from 2.39–2.46 Å. Ti is bonded in an octahedral geometry to six F atoms. There are a spread of Ti–F bond distances ranging from 1.86–1.93 Å. There are two inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Sr atom. In the second O site, O is bonded in a bent 120 degrees geometry to two equivalent Sr atoms. There are six inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Ti atom. In the second F site, F is bonded in a linear geometry to one Sr and one Ti atom. In the third F site, F is bonded in a bent 150 degrees geometry to one Sr and one Ti atom. In the fourth F site, F is bonded in a bent 150 degrees geometry to one Sr and one Ti atom. In the fifth F site, F is bonded in a bent 150 degrees geometry to one Sr and one Ti atom. In the sixth F site, F is bonded in a bent 150 degrees geometry to one Sr and one Ti atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZrH6(OF3)2 by Materials Project

ZrH6(OF3)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Zr4+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Zr–F bond distances ranging from 2.06–2.23 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to one O2- and one F1- atom. The H–O bond length is 1.02 Å. The H–F bond length is 1.52 Å. In the second H1+ site, H1+ is bonded in a linear geometry to one O2- and one F1- atom. The H–O bond length is 1.02 Å. The H–F bond length is 1.55 Å. In the third H1+ site, H1+ is bonded in a linear geometry to one O2- and one F1- atom. The H–O bond length is 1.03 Å. The H–F bond length is 1.43 Å. O2- is bonded in a trigonal non-coplanar geometry to three H1+ atoms. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to one Zr4+ and two H1+ atoms. In the second F1- site, F1- is bonded in a bent 120 degrees geometry to two equivalent Zr4+ atoms. In the third F1- site, F1- is bonded in a distorted bent 120 degrees geometry to one Zr4+ and one H1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CaAl2(OF3)2 by Materials Project

CaAl2(OF3)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ca is bonded in a 8-coordinate geometry to two equivalent O and six F atoms. Both Ca–O bond lengths are 2.53 Å. There are a spread of Ca–F bond distances ranging from 2.23–2.50 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded to two equivalent O and four F atoms to form edge-sharing AlO2F4 octahedra. Both Al–O bond lengths are 1.93 Å. All Al–F bond lengths are 1.84 Å. In the second Al site, Al is bonded to two equivalent O and four F atoms to form distorted edge-sharing AlO2F4 octahedra. Both Al–O bond lengths are 1.95 Å. There is two shorter (1.74 Å) and two longer (1.90 Å) Al–F bond length. O is bonded in a distorted trigonal non-coplanar geometry to one Ca and two Al atoms. There are three inequivalent F sites. In the first F site, F is bonded in a water-like geometry to two Al atoms. In the second F site, F is bonded in a 3-coordinate geometry to two equivalent Ca and one Al atom. In the third F site, F is bonded in a bent 150 degrees geometry to one Ca and one Al atom.

36 MATERIALS SCIENCE↗