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DOE OSTI2020

Materials Data on Sr(AsO4)2 by Materials Project

Sr(AsO4)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Sr is bonded in a 6-coordinate geometry to eight O atoms. There are a spread of Sr–O bond distances ranging from 2.41–3.21 Å. There are two inequivalent As sites. In the first As site, As is bonded in a rectangular see-saw-like geometry to four O atoms. There are a spread of As–O bond distances ranging from 1.64–1.88 Å. In the second As site, As is bonded in a tetrahedral geometry to four O atoms. There are a spread of As–O bond distances ranging from 1.66–1.87 Å. There are eight inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two equivalent Sr and one As atom. In the second O site, O is bonded in a distorted single-bond geometry to one Sr, one As, and one O atom. The O–O bond length is 1.48 Å. In the third O site, O is bonded in a single-bond geometry to one As atom. In the fourth O site, O is bonded in a 1-coordinate geometry to one Sr, one As, and one O atom. In the fifth O site, O is bonded in a 1-coordinate geometry to one Sr, one As, and one O atom. The O–O bond length is 1.49 Å. In the sixth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Sr and one As atom. In the seventh O site, O is bonded in a distorted bent 150 degrees geometry to one Sr and one As atom. In the eighth O site, O is bonded in a distorted single-bond geometry to one As atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrCo2(AsO4)2 by Materials Project

SrCo2(AsO4)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Sr2+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Sr–O bond distances ranging from 1.76–2.34 Å. There are two inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of Co–O bond distances ranging from 1.29–2.28 Å. In the second Co2+ site, Co2+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of Co–O bond distances ranging from 1.73–2.44 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a 1-coordinate geometry to four O2- atoms. There are a spread of As–O bond distances ranging from 1.17–2.46 Å. In the second As5+ site, As5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of As–O bond distances ranging from 1.69–2.50 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Co2+ and one As5+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one As5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Co2+ and two As5+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Co2+ and one As5+ atom. In the fifth O2- site, O2- is bonded in a water-like geometry to one Sr2+ and one As5+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Co2+ and one As5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+ and one As5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+ and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrCo2(AsO4)2 by Materials Project

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

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrCo2(AsO4)2 by Materials Project

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

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr3(AsO4)2 by Materials Project

Sr3(AsO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.90 Å. In the second Sr2+ site, Sr2+ is bonded in a 5-coordinate geometry to six O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–3.12 Å. In the third Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–3.05 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.71 Å) and three longer (1.73 Å) As–O bond length. In the second As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.72 Å) and three longer (1.73 Å) As–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Sr2+ and one As5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one As5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+ and one As5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Sr2+ and one As5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Sr2+ and one As5+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Sr2+ and one As5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to three Sr2+ and one As5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+ and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrCo2(AsO4)2 by Materials Project

SrCo2(AsO4)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Sr2+ is bonded to six O2- atoms to form distorted SrO6 pentagonal pyramids that share corners with four equivalent AsO4 tetrahedra, an edgeedge with one CoO6 octahedra, and an edgeedge with one SrO6 pentagonal pyramid. There are a spread of Sr–O bond distances ranging from 2.42–2.70 Å. There are two inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent AsO4 tetrahedra, an edgeedge with one CoO6 octahedra, and an edgeedge with one SrO6 pentagonal pyramid. There are a spread of Co–O bond distances ranging from 2.08–2.27 Å. In the second Co2+ site, Co2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Co–O bond distances ranging from 1.97–2.32 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of As–O bond distances ranging from 1.78–1.86 Å. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent CoO6 octahedra and corners with four equivalent SrO6 pentagonal pyramids. The corner-sharing octahedra tilt angles range from 57–66°. There are a spread of As–O bond distances ranging from 1.72–1.74 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Co2+ and one As5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Co2+ and one O2- atom. The O–O bond length is 1.49 Å. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Co2+ and one As5+ atom. In the fourth O2- site, O2- is bonded in a distorted tetrahedral geometry to one Sr2+, two Co2+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Co2+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Co2+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one As5+, and one O2- atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr3(AsO4)2 by Materials Project

Sr3(AsO4)2 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Sr–O bond lengths are 2.64 Å. In the second Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.40–2.89 Å. As5+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.71 Å) and three longer (1.72 Å) As–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one As5+ atom. In the second O2- site, O2- is bonded in a linear geometry to one Sr2+ and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr3(AsO4)2 by Materials Project

Sr3(AsO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to six O2- atoms to form SrO6 octahedra that share corners with two equivalent SrO5 square pyramids, corners with six equivalent AsO4 tetrahedra, and edges with two equivalent SrO5 square pyramids. There are a spread of Sr–O bond distances ranging from 2.51–2.56 Å. In the second Sr2+ site, Sr2+ is bonded to five O2- atoms to form distorted SrO5 square pyramids that share a cornercorner with one SrO6 octahedra, corners with three equivalent AsO4 tetrahedra, an edgeedge with one SrO6 octahedra, an edgeedge with one SrO5 square pyramid, and an edgeedge with one AsO4 tetrahedra. The corner-sharing octahedral tilt angles are 69°. There are a spread of Sr–O bond distances ranging from 2.43–2.62 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with three equivalent SrO6 octahedra, corners with three equivalent SrO5 square pyramids, and an edgeedge with one SrO5 square pyramid. The corner-sharing octahedra tilt angles range from 31–51°. There is one shorter (1.71 Å) and three longer (1.72 Å) As–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and one As5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one As5+ atom. In the third O2- site, O2- is bonded in a distorted T-shaped geometry to two Sr2+ and one As5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sr2+ and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr3(AsO4)2 by Materials Project

Sr3(AsO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to five O2- atoms to form distorted SrO5 trigonal bipyramids that share corners with five AsO4 tetrahedra, a cornercorner with one SrO5 trigonal bipyramid, an edgeedge with one SrO6 octahedra, and an edgeedge with one SrO5 trigonal bipyramid. There are a spread of Sr–O bond distances ranging from 2.43–2.52 Å. In the second Sr2+ site, Sr2+ is bonded to five O2- atoms to form SrO5 trigonal bipyramids that share corners with two equivalent SrO6 octahedra, corners with five AsO4 tetrahedra, a cornercorner with one SrO5 trigonal bipyramid, and an edgeedge with one SrO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 66–76°. There are a spread of Sr–O bond distances ranging from 2.35–2.52 Å. In the third Sr2+ site, Sr2+ is bonded to six O2- atoms to form distorted SrO6 octahedra that share corners with four AsO4 tetrahedra, corners with two equivalent SrO5 trigonal bipyramids, an edgeedge with one SrO6 octahedra, an edgeedge with one AsO4 tetrahedra, and an edgeedge with one SrO5 trigonal bipyramid. There are a spread of Sr–O bond distances ranging from 2.45–2.78 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with three equivalent SrO6 octahedra and corners with five SrO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 47–55°. There is one shorter (1.72 Å) and three longer (1.73 Å) As–O bond length. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share a cornercorner with one SrO6 octahedra, corners with five SrO5 trigonal bipyramids, and an edgeedge with one SrO6 octahedra. The corner-sharing octahedral tilt angles are 53°. There are a spread of As–O bond distances ranging from 1.71–1.73 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and one As5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and one As5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and one As5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and one As5+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sr2+ and one As5+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sr2+ and one As5+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sr2+ and one As5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Sr2+ and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrLaTl(AsO4)2 by Materials Project

TlSrLa(AsO4)2 crystallizes in the trigonal P3_2 space group. The structure is three-dimensional. Sr2+ is bonded to eight O2- atoms to form distorted SrO8 hexagonal bipyramids that share corners with four AsO4 tetrahedra, edges with four equivalent LaO8 hexagonal bipyramids, and edges with two AsO4 tetrahedra. There are a spread of Sr–O bond distances ranging from 2.52–2.84 Å. La3+ is bonded to eight O2- atoms to form distorted LaO8 hexagonal bipyramids that share corners with four AsO4 tetrahedra, edges with four equivalent SrO8 hexagonal bipyramids, and edges with two AsO4 tetrahedra. There are a spread of La–O bond distances ranging from 2.45–2.73 Å. Tl1+ is bonded in a 7-coordinate geometry to eight O2- atoms. There are a spread of Tl–O bond distances ranging from 2.94–3.55 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent SrO8 hexagonal bipyramids, corners with two equivalent LaO8 hexagonal bipyramids, an edgeedge with one SrO8 hexagonal bipyramid, and an edgeedge with one LaO8 hexagonal bipyramid. There is two shorter (1.72 Å) and two longer (1.73 Å) As–O bond length. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent SrO8 hexagonal bipyramids, corners with two equivalent LaO8 hexagonal bipyramids, an edgeedge with one SrO8 hexagonal bipyramid, and an edgeedge with one LaO8 hexagonal bipyramid. There is two shorter (1.72 Å) and two longer (1.73 Å) As–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+, one La3+, one Tl1+, and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrZn2(AsO4)2 by Materials Project

SrZn2(AsO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded to seven O2- atoms to form distorted SrO7 hexagonal pyramids that share corners with five ZnO4 tetrahedra, corners with five AsO4 tetrahedra, an edgeedge with one ZnO4 tetrahedra, and an edgeedge with one AsO4 tetrahedra. There are a spread of Sr–O bond distances ranging from 2.58–2.79 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with three equivalent SrO7 hexagonal pyramids and corners with four AsO4 tetrahedra. There are a spread of Zn–O bond distances ranging from 1.94–2.00 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with two equivalent SrO7 hexagonal pyramids, corners with four AsO4 tetrahedra, and an edgeedge with one SrO7 hexagonal pyramid. There are a spread of Zn–O bond distances ranging from 1.96–2.02 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent SrO7 hexagonal pyramids, corners with four ZnO4 tetrahedra, and an edgeedge with one SrO7 hexagonal pyramid. There is two shorter (1.72 Å) and two longer (1.73 Å) As–O bond length. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with three equivalent SrO7 hexagonal pyramids and corners with four ZnO4 tetrahedra. There is one shorter (1.71 Å) and three longer (1.73 Å) As–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Zn2+, and one As5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Zn2+, and one As5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Zn2+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+, one Zn2+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Zn2+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to one Sr2+, one Zn2+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Zn2+ and one As5+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one Zn2+, and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrU2(AsO10)2 by Materials Project

SrU2(AsO9)2O2 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional and consists of two oxygen molecules and one SrU2(AsO9)2 framework. In the SrU2(AsO9)2 framework, Sr is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.83 Å. U is bonded to six O atoms to form UO6 octahedra that share corners with four equivalent AsO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.81–2.33 Å. As is bonded to four O atoms to form AsO4 tetrahedra that share corners with four equivalent UO6 octahedra. The corner-sharing octahedra tilt angles range from 35–45°. There is two shorter (1.71 Å) and two longer (1.73 Å) As–O bond length. There are nine inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Sr and one O atom. The O–O bond length is 1.23 Å. In the second O site, O is bonded in a distorted water-like geometry to two O atoms. The O–O bond length is 1.83 Å. In the third O site, O is bonded in a single-bond geometry to one U atom. In the fourth O site, O is bonded in a single-bond geometry to one Sr atom. In the fifth O site, O is bonded in a bent 120 degrees geometry to one Sr and one U atom. In the sixth O site, O is bonded in a 3-coordinate geometry to one Sr, one U, and one As atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the eighth O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the ninth O site, O is bonded in a bent 150 degrees geometry to one U and one As atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrV2(AsO5)2 by Materials Project

SrV2(AsO5)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.96 Å. There are two inequivalent V5+ sites. In the first V5+ site, V5+ is bonded to six O2- atoms to form VO6 octahedra that share corners with two equivalent VO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedral tilt angles are 30°. There are a spread of V–O bond distances ranging from 1.70–2.11 Å. In the second V5+ site, V5+ is bonded to six O2- atoms to form VO6 octahedra that share corners with two equivalent VO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedral tilt angles are 30°. There are a spread of V–O bond distances ranging from 1.71–2.07 Å. There are two inequivalent As4+ sites. In the first As4+ site, As4+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four VO6 octahedra. The corner-sharing octahedra tilt angles range from 40–61°. There are a spread of As–O bond distances ranging from 1.71–1.74 Å. In the second As4+ site, As4+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four VO6 octahedra. The corner-sharing octahedra tilt angles range from 47–59°. There are a spread of As–O bond distances ranging from 1.71–1.74 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one V5+ and one As4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V5+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V5+ atoms. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrU2(AsO10)2 by Materials Project

(SrU2As2O17)2(O2)3 crystallizes in the monoclinic Pc space group. The structure is three-dimensional and consists of two trioxidane molecules and one SrU2As2O17 framework. In the SrU2As2O17 framework, Sr is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Sr–O bond distances ranging from 2.51–2.72 Å. There are two inequivalent U sites. In the first U site, U is bonded to six O atoms to form UO6 octahedra that share corners with four AsO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.81–2.34 Å. In the second U site, U is bonded to six O atoms to form UO6 octahedra that share corners with four AsO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.81–2.36 Å. There are two inequivalent As sites. In the first As site, As is bonded to four O atoms to form AsO4 tetrahedra that share corners with four UO6 octahedra. The corner-sharing octahedra tilt angles range from 35–47°. There are a spread of As–O bond distances ranging from 1.71–1.74 Å. In the second As site, As is bonded to four O atoms to form AsO4 tetrahedra that share corners with four UO6 octahedra. The corner-sharing octahedra tilt angles range from 33–48°. There is three shorter (1.72 Å) and one longer (1.74 Å) As–O bond length. There are seventeen inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one U atom. In the second O site, O is bonded in a distorted bent 120 degrees geometry to one Sr and one U atom. In the third O site, O is bonded in a single-bond geometry to one U atom. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one Sr and one U atom. In the fifth O site, O is bonded in a 3-coordinate geometry to one Sr, one U, and one As atom. In the sixth O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the eighth O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the ninth O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the tenth O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the eleventh O site, O is bonded in a bent 150 degrees geometry to one U and one As atom. In the twelfth O site, O is bonded in a 3-coordinate geometry to one Sr, one U, and one As atom. In the thirteenth O site, O is bonded in a distorted single-bond geometry to one Sr atom. In the fourteenth O site, O is bonded in a distorted L-shaped geometry to one Sr and one O atom. The O–O bond length is 1.24 Å. In the fifteenth O site, O is bonded in a single-bond geometry to one Sr atom. In the sixteenth O site, O is bonded in a 2-coordinate geometry to one Sr and one O atom. In the seventeenth O site, O is bonded in a single-bond geometry to one Sr atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrV2(AsO5)2 by Materials Project

SrV2(AsO5)2 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–2.84 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.49–3.23 Å. There are four inequivalent V5+ sites. In the first V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with five AsO4 tetrahedra and an edgeedge with one VO6 octahedra. There are a spread of V–O bond distances ranging from 1.64–2.21 Å. In the second V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with five AsO4 tetrahedra and an edgeedge with one VO6 octahedra. There are a spread of V–O bond distances ranging from 1.64–2.22 Å. In the third V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with five AsO4 tetrahedra and an edgeedge with one VO6 octahedra. There are a spread of V–O bond distances ranging from 1.64–2.21 Å. In the fourth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with five AsO4 tetrahedra and an edgeedge with one VO6 octahedra. There are a spread of V–O bond distances ranging from 1.64–2.21 Å. There are four inequivalent As4+ sites. In the first As4+ site, As4+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with five VO6 octahedra. The corner-sharing octahedra tilt angles range from 48–59°. There are a spread of As–O bond distances ranging from 1.70–1.75 Å. In the second As4+ site, As4+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with five VO6 octahedra. The corner-sharing octahedra tilt angles range from 47–58°. There are a spread of As–O bond distances ranging from 1.71–1.75 Å. In the third As4+ site, As4+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with five VO6 octahedra. The corner-sharing octahedra tilt angles range from 47–57°. There are a spread of As–O bond distances ranging from 1.71–1.74 Å. In the fourth As4+ site, As4+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with five VO6 octahedra. The corner-sharing octahedra tilt angles range from 48–59°. There are a spread of As–O bond distances ranging from 1.70–1.75 Å. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+, one V5+, and one As4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Sr2+, one V5+, and one As4+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one Sr2+ and one V5+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Sr2+ and one V5+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Sr2+ and one V5+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Sr2+ and one V5+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one V5+, and one As4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+, one V5+, and one As4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one V5+, and one As4+ atom. In the sixteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Sr2+, one V5+, and one As4+ atom. In the seventeenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two V5+ and one As4+ atom. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two V5+ and one As4+ atom. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two V5+ and one As4+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal planar geometry to two V5+ and one As4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr2VAs2O9 by Materials Project

Sr2VAs2O9 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.63–2.91 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–2.80 Å. V4+ is bonded to six O2- atoms to form VO6 octahedra that share corners with two equivalent VO6 octahedra and corners with four AsO4 tetrahedra. The corner-sharing octahedral tilt angles are 37°. There are a spread of V–O bond distances ranging from 1.71–2.13 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent VO6 octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There is two shorter (1.69 Å) and two longer (1.75 Å) As–O bond length. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent VO6 octahedra. The corner-sharing octahedra tilt angles range from 41–49°. There is two shorter (1.71 Å) and two longer (1.74 Å) As–O bond length. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+ and one As5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+ and one As5+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Sr2+, one V4+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one V4+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+ and two equivalent V4+ atoms. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one As5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+ and one As5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one V4+, and one As5+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, one V4+, and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrCuAs2O7 by Materials Project

SrCuAs2O7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–3.01 Å. Cu2+ is bonded to five O2- atoms to form distorted CuO5 square pyramids that share corners with five AsO4 tetrahedra. There are a spread of Cu–O bond distances ranging from 1.94–2.38 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with three equivalent CuO5 square pyramids and a cornercorner with one AsO4 tetrahedra. There are a spread of As–O bond distances ranging from 1.69–1.80 Å. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with two equivalent CuO5 square pyramids and a cornercorner with one AsO4 tetrahedra. There are a spread of As–O bond distances ranging from 1.69–1.78 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one As5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+, one Cu2+, and one As5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two As5+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Cu2+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Cu2+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Sr2+, one Cu2+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+, one Cu2+, and one As5+ atom.

36 MATERIALS SCIENCE↗