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DOE OSTI2020

Materials Data on Sb(PO3)4 by Materials Project

Sb(PO3)4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sb5+ is bonded to seven O2- atoms to form distorted SbO7 pentagonal bipyramids that share corners with seven PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.15–2.34 Å. There are four inequivalent P+4.75+ sites. In the first P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO7 pentagonal bipyramid and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.45–1.65 Å. In the second P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO7 pentagonal bipyramids and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. In the third P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO7 pentagonal bipyramids and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.62 Å. In the fourth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO7 pentagonal bipyramids and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.61 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P+4.75+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to one Sb5+ and one P+4.75+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two P+4.75+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two P+4.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.75+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two P+4.75+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P+4.75+ atoms. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P+4.75+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(PO3)4 by Materials Project

Sb(PO3)4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.11–2.21 Å. There are two inequivalent P+4.75+ sites. In the first P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 47–49°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. In the second P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 43°. There are a spread of P–O bond distances ranging from 1.46–1.66 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent P+4.75+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P+4.75+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two P+4.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.75+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent P+4.75+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(PO3)4 by Materials Project

Sb(PO3)4 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one Sb(PO3)4 sheet oriented in the (1, 0, 0) direction. Sb5+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sb–O bond distances ranging from 2.13–2.36 Å. There are four inequivalent P+4.75+ sites. In the first P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.63 Å. In the second P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.62 Å. In the third P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. In the fourth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.59 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P+4.75+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P+4.75+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P+4.75+ atoms. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P+4.75+ atoms. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two P+4.75+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SbP2O7 by Materials Project

SbP2O7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sb5+ is bonded to six O2- atoms to form SbO6 pentagonal pyramids that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.05–2.34 Å. There are two inequivalent P+4.50+ sites. In the first P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent SbO6 pentagonal pyramids and a cornercorner with one PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. In the second P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent SbO6 pentagonal pyramids and a cornercorner with one PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.52–1.65 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.50+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.50+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.50+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.50+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.50+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to two P+4.50+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.50+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(PO3)5 by Materials Project

Sb(PO3)5 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one Sb(PO3)5 sheet oriented in the (1, 0, 0) direction. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 1.97–2.09 Å. There are five inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 43°. There are a spread of P–O bond distances ranging from 1.46–1.69 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 44–50°. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. There are a spread of P–O bond distances ranging from 1.45–1.69 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.47–1.72 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–50°. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Sb5+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the tenth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the fifteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(PO3)4 by Materials Project

Sb(PO3)4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.12–2.17 Å. There are two inequivalent P+4.75+ sites. In the first P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO6 octahedra and corners with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–53°. There are a spread of P–O bond distances ranging from 1.51–1.59 Å. In the second P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two equivalent PO4 tetrahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of P–O bond distances ranging from 1.46–1.66 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.75+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P+4.75+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two P+4.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.75+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(PO3)4 by Materials Project

Sb(PO3)4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sb5+ is bonded to six O2- atoms to form distorted SbO6 octahedra that share corners with four PO4 tetrahedra and an edgeedge with one PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.02–2.39 Å. There are four inequivalent P+4.75+ sites. In the first P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 65°. There are a spread of P–O bond distances ranging from 1.46–1.64 Å. In the second P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 36–37°. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. In the third P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two PO4 tetrahedra and an edgeedge with one SbO6 octahedra. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. In the fourth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.47–1.61 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Sb5+ and one P+4.75+ atom. In the second O2- site, O2- is bonded in a distorted L-shaped geometry to one Sb5+ and one P+4.75+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two P+4.75+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.75+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the ninth O2- site, O2- is bonded in a linear geometry to two P+4.75+ atoms. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb5+ and one P+4.75+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two P+4.75+ atoms. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to two P+4.75+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb3PO7 by Materials Project

Sb3PO7 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are nine inequivalent Sb3+ sites. In the first Sb3+ site, Sb3+ is bonded to five O2- atoms to form distorted SbO5 square pyramids that share a cornercorner with one SbO5 square pyramid and corners with three PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.06–2.48 Å. In the second Sb3+ site, Sb3+ is bonded in a 2-coordinate geometry to five O2- atoms. There are a spread of Sb–O bond distances ranging from 1.98–2.79 Å. In the third Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Sb–O bond distances ranging from 2.08–2.19 Å. In the fourth Sb3+ site, Sb3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Sb–O bond distances ranging from 2.05–2.73 Å. In the fifth Sb3+ site, Sb3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sb–O bond distances ranging from 2.08–2.81 Å. In the sixth Sb3+ site, Sb3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Sb–O bond distances ranging from 2.08–2.78 Å. In the seventh Sb3+ site, Sb3+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.04–2.66 Å. In the eighth Sb3+ site, Sb3+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Sb–O bond distances ranging from 2.04–2.09 Å. In the ninth Sb3+ site, Sb3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sb–O bond distances ranging from 2.06–2.72 Å. There are six inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO5 square pyramids. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO5 square pyramids. There is two shorter (1.53 Å) and two longer (1.57 Å) P–O bond length. In the third P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO5 square pyramids. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. In the fifth P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.52–1.59 Å. In the sixth P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.50–1.58 Å. There are twenty-seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Sb3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two Sb3+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to four Sb3+ atoms. In the ninth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the tenth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to four Sb3+ atoms. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to four Sb3+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Sb3+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to three Sb3+ atoms. In the sixteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Sb3+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb3+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Sb3+ atoms. In the nineteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Sb3+ atoms. In the twentieth O2- site, O2- is bonded in a single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a single-bond geometry to two equivalent Sb3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Sb3+ atoms. In the twenty-third O2- site, O2- is bonded in a 2-coordinate geometry to one Sb3+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Sb3+ and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sb3+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb9PO25 by Materials Project

Sb9PO25 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. there are three inequivalent Sb5+ sites. In the first Sb5+ site, Sb5+ is bonded to six O2- atoms to form corner-sharing SbO6 octahedra. The corner-sharing octahedra tilt angles range from 0–24°. There is two shorter (1.98 Å) and four longer (1.99 Å) Sb–O bond length. In the second Sb5+ site, Sb5+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing SbO6 octahedra. The corner-sharing octahedra tilt angles range from 11–34°. There are a spread of Sb–O bond distances ranging from 1.88–2.16 Å. In the third Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with four SbO6 octahedra, a cornercorner with one PO4 tetrahedra, and edges with two equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 11–30°. There are a spread of Sb–O bond distances ranging from 1.89–2.09 Å. P5+ is bonded to four equivalent O2- atoms to form PO4 tetrahedra that share corners with four equivalent SbO6 octahedra. The corner-sharing octahedral tilt angles are 42°. All P–O bond lengths are 1.56 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent Sb5+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two Sb5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two Sb5+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Sb5+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two Sb5+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to three Sb5+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SbPO4 by Materials Project

SbPO4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Sb3+ is bonded to six O2- atoms to form distorted SbO6 pentagonal pyramids that share corners with four equivalent SbO6 pentagonal pyramids, corners with four equivalent PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.17–2.65 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent SbO6 pentagonal pyramids and an edgeedge with one SbO6 pentagonal pyramid. There are a spread of P–O bond distances ranging from 1.53–1.59 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Sb3+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb3+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb2(PO4)3 by Materials Project

Sb2(PO4)3 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. there are two inequivalent Sb5+ sites. In the first Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six equivalent PO4 tetrahedra. There are three shorter (2.11 Å) and three longer (2.15 Å) Sb–O bond lengths. In the second Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six equivalent PO4 tetrahedra. There is three shorter (1.99 Å) and three longer (2.00 Å) Sb–O bond length. P+4.67+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four SbO6 octahedra. The corner-sharing octahedra tilt angles range from 29–48°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb5+ and one P+4.67+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P+4.67+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb5+ and one P+4.67+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P+4.67+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SbPO5 by Materials Project

SbOPO4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra and corners with four equivalent PO4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Sb–O bond distances ranging from 1.94–2.04 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 37–49°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb5+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Sb5+ atoms. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb5(PO4)6 by Materials Project

Sb5(PO4)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are five inequivalent Sb+3.60+ sites. In the first Sb+3.60+ site, Sb+3.60+ is bonded to five O2- atoms to form SbO5 square pyramids that share corners with five PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.10–2.36 Å. In the second Sb+3.60+ site, Sb+3.60+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 1.96–2.02 Å. In the third Sb+3.60+ site, Sb+3.60+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Sb–O bond distances ranging from 2.01–2.71 Å. In the fourth Sb+3.60+ site, Sb+3.60+ is bonded to five O2- atoms to form SbO5 square pyramids that share corners with five PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.01–2.18 Å. In the fifth Sb+3.60+ site, Sb+3.60+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.05–2.67 Å. There are six inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and a cornercorner with one SbO5 square pyramid. The corner-sharing octahedral tilt angles are 47°. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two SbO5 square pyramids. The corner-sharing octahedral tilt angles are 21°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two SbO5 square pyramids. The corner-sharing octahedral tilt angles are 26°. There are a spread of P–O bond distances ranging from 1.52–1.57 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and a cornercorner with one SbO5 square pyramid. The corner-sharing octahedral tilt angles are 35°. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two SbO5 square pyramids. The corner-sharing octahedral tilt angles are 35°. There are a spread of P–O bond distances ranging from 1.52–1.57 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two SbO5 square pyramids. The corner-sharing octahedral tilt angles are 39°. There are a spread of P–O bond distances ranging from 1.52–1.57 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Sb+3.60+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+3.60+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Sb+3.60+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+3.60+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb+3.60+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Sb+3.60+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Sb+3.60+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+3.60+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+3.60+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+3.60+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(PO3)5 by Materials Project

Sb(PO3)5 crystallizes in the monoclinic P2_1/m space group. The structure is two-dimensional and consists of one Sb(PO3)5 sheet oriented in the (0, 0, 1) direction. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 1.94–2.06 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.47–1.74 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.46–1.70 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent SbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–49°. There are a spread of P–O bond distances ranging from 1.53–1.59 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb5+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb5+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the seventh O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent P5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb3(PO4)4 by Materials Project

Sb3(PO4)4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are nine inequivalent Sb+4.33+ sites. In the first Sb+4.33+ site, Sb+4.33+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sb–O bond distances ranging from 2.03–2.77 Å. In the second Sb+4.33+ site, Sb+4.33+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 1.98–2.06 Å. In the third Sb+4.33+ site, Sb+4.33+ is bonded to four O2- atoms to form distorted SbO4 trigonal pyramids that share corners with four PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 1.99–2.13 Å. In the fourth Sb+4.33+ site, Sb+4.33+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 1.98–2.05 Å. In the fifth Sb+4.33+ site, Sb+4.33+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.01–2.06 Å. In the sixth Sb+4.33+ site, Sb+4.33+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 1.98–2.05 Å. In the seventh Sb+4.33+ site, Sb+4.33+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Sb–O bond distances ranging from 2.00–2.07 Å. In the eighth Sb+4.33+ site, Sb+4.33+ is bonded to five O2- atoms to form distorted SbO5 square pyramids that share corners with five PO4 tetrahedra. There are a spread of Sb–O bond distances ranging from 2.00–2.22 Å. In the ninth Sb+4.33+ site, Sb+4.33+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.00–2.36 Å. There are twelve inequivalent P+4.75+ sites. In the first P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two SbO6 octahedra. The corner-sharing octahedra tilt angles range from 26–39°. There are a spread of P–O bond distances ranging from 1.51–1.58 Å. In the second P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two SbO6 octahedra. The corner-sharing octahedra tilt angles range from 44–46°. There are a spread of P–O bond distances ranging from 1.47–1.65 Å. In the third P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and a cornercorner with one SbO5 square pyramid. The corner-sharing octahedral tilt angles are 32°. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the fourth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two SbO6 octahedra and a cornercorner with one SbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 27–43°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the fifth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and a cornercorner with one SbO5 square pyramid. The corner-sharing octahedral tilt angles are 31°. There are a spread of P–O bond distances ranging from 1.51–1.58 Å. In the sixth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra, a cornercorner with one SbO5 square pyramid, and a cornercorner with one SbO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 28°. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. In the seventh P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two SbO6 octahedra. The corner-sharing octahedra tilt angles range from 46–49°. There are a spread of P–O bond distances ranging from 1.46–1.65 Å. In the eighth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 47°. There are a spread of P–O bond distances ranging from 1.47–1.62 Å. In the ninth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two SbO6 octahedra and a cornercorner with one SbO5 square pyramid. The corner-sharing octahedra tilt angles range from 48–49°. There are a spread of P–O bond distances ranging from 1.46–1.62 Å. In the tenth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and a cornercorner with one SbO5 square pyramid. The corner-sharing octahedral tilt angles are 27°. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the eleventh P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two SbO6 octahedra and a cornercorner with one SbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 43–44°. There are a spread of P–O bond distances ranging from 1.47–1.66 Å. In the twelfth P+4.75+ site, P+4.75+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one SbO6 octahedra and a cornercorner with one SbO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 50°. There are a spread of P–O bond distances ranging from 1.46–1.63 Å. There are forty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb+4.33+ and one P+4.75+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the eleventh O2- site, O2- is bonded in a distorted water-like geometry to one Sb+4.33+ and one P+4.75+ atom. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Sb+4.33+ and one P+4.75+ atom. In the fourteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the fifteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the sixteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the eighteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the nineteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twentieth O2- site, O2- is bonded in a 1-coordinate geometry to two Sb+4.33+ and one P+4.75+ atom. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-fifth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the twenty-sixth O2- site, O2- is bonded in a water-like geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the twenty-ninth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the thirtieth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirty-third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirty-fourth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the thirty-fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirty-sixth O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the thirty-seventh O2- site, O2- is bonded in a single-bond geometry to one P+4.75+ atom. In the thirty-eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the thirty-ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the fortieth O2- site, O2- is bonded in a 2-coordinate geometry to two Sb+4.33+ and one P+4.75+ atom. In the forty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-third O2- site, O2- is bonded in a distorted single-bond geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom. In the forty-eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sb+4.33+ and one P+4.75+ atom.

36 MATERIALS SCIENCE↗