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DOE OSTI2020

Materials Data on Cr(WO4)3 by Materials Project

Cr(WO4)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are three inequivalent W6+ sites. In the first W6+ site, W6+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 18–29°. There are a spread of W–O bond distances ranging from 1.92–1.95 Å. In the second W6+ site, W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with two equivalent WO6 octahedra and corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 22–31°. There are a spread of W–O bond distances ranging from 1.79–2.20 Å. In the third W6+ site, W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with two equivalent CrO6 octahedra and corners with four equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 18–29°. There are a spread of W–O bond distances ranging from 1.78–2.23 Å. Cr6+ is bonded to six O2- atoms to form distorted CrO6 octahedra that share corners with six WO6 octahedra. The corner-sharing octahedra tilt angles range from 23–31°. There are a spread of Cr–O bond distances ranging from 1.65–2.12 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr6+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one W6+ and one Cr6+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one W6+ and one Cr6+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr6+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one W6+ and one Cr6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cr2(WO4)3 by Materials Project

Cr2(WO4)3 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. W6+ is bonded to four O2- atoms to form WO4 tetrahedra that share corners with four CrO6 octahedra. The corner-sharing octahedra tilt angles range from 23–41°. There are a spread of W–O bond distances ranging from 1.80–1.82 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six equivalent WO4 tetrahedra. There is three shorter (1.99 Å) and three longer (2.00 Å) Cr–O bond length. In the second Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six equivalent WO4 tetrahedra. There are three shorter (2.00 Å) and three longer (2.02 Å) Cr–O bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cr2(WO4)3 by Materials Project

Cr2(WO4)3 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. there are two inequivalent W6+ sites. In the first W6+ site, W6+ is bonded to four O2- atoms to form WO4 tetrahedra that share corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 4–38°. All W–O bond lengths are 1.81 Å. In the second W6+ site, W6+ is bonded to four O2- atoms to form WO4 tetrahedra that share corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 12–31°. All W–O bond lengths are 1.81 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six WO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.98–2.01 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom. In the second O2- site, O2- is bonded in a linear geometry to one W6+ and one Cr3+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom. In the fourth O2- site, O2- is bonded in a linear geometry to one W6+ and one Cr3+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Cr3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li4Cr(WO4)3 by Materials Project

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

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li4Cr(WO4)3 by Materials Project

Li4Cr(WO4)3 is Ilmenite-derived structured and 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 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.48 Å. In the second Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.49 Å. In the third Li1+ site, Li1+ is bonded in a distorted trigonal planar geometry to three O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.00 Å. In the fourth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.39 Å. There are three inequivalent W6+ sites. In the first W6+ site, W6+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 37–40°. There are a spread of W–O bond distances ranging from 1.91–2.02 Å. In the second W6+ site, W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with two equivalent WO6 octahedra and corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 33–39°. There are a spread of W–O bond distances ranging from 1.92–2.07 Å. In the third W6+ site, W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with two equivalent CrO6 octahedra and corners with four equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 35–40°. There are a spread of W–O bond distances ranging from 1.90–2.08 Å. Cr2+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six WO6 octahedra. The corner-sharing octahedra tilt angles range from 33–36°. There are a spread of Cr–O bond distances ranging from 2.00–2.04 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted see-saw-like geometry to two Li1+, one W6+, and one Cr2+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+ and two W6+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two W6+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one W6+, and one Cr2+ atom. In the fifth O2- site, O2- is bonded to two Li1+ and two W6+ atoms to form a mixture of distorted corner and edge-sharing OLi2W2 trigonal pyramids. In the sixth O2- site, O2- is bonded to two Li1+, one W6+, and one Cr2+ atom to form a mixture of distorted corner and edge-sharing OLi2CrW tetrahedra. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one W6+, and one Cr2+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two W6+ atoms. In the ninth O2- site, O2- is bonded to two Li1+, one W6+, and one Cr2+ atom to form distorted OLi2CrW trigonal pyramids that share corners with two equivalent OLi2CrW tetrahedra and a cornercorner with one OLi2W2 trigonal pyramid. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two W6+ atoms. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two W6+ atoms. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one W6+, and one Cr2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaCr(WO4)2 by Materials Project

NaCr(WO4)2 is zeta iron carbide-derived structured and crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with eight equivalent WO6 octahedra and edges with two equivalent NaO6 octahedra. The corner-sharing octahedra tilt angles range from 36–57°. There are a spread of Na–O bond distances ranging from 2.38–2.42 Å. W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with four equivalent NaO6 octahedra, corners with four equivalent CrO6 octahedra, and edges with two equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 36–57°. There are a spread of W–O bond distances ranging from 1.77–2.25 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with eight equivalent WO6 octahedra and edges with two equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Cr–O bond distances ranging from 2.01–2.06 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent W6+ and one Cr3+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Na1+ and two equivalent W6+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one W6+ and two equivalent Cr3+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one W6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiCr(WO4)2 by Materials Project

LiCr(WO4)2 is zeta iron carbide-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with eight equivalent WO6 octahedra and edges with two equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 51–58°. There are a spread of Li–O bond distances ranging from 2.14–2.26 Å. W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with four equivalent LiO6 octahedra, corners with four equivalent CrO6 octahedra, and edges with two equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 42–58°. There are a spread of W–O bond distances ranging from 1.84–2.18 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with eight equivalent WO6 octahedra and edges with two equivalent LiO6 octahedra. The corner-sharing octahedra tilt angles range from 42–54°. There are a spread of Cr–O bond distances ranging from 2.00–2.04 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent W6+ and one Cr3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one W6+, and one Cr3+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two equivalent W6+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one W6+, and one Cr3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CrCu(WO4)2 by Materials Project

CrCu(WO4)2 is zeta iron carbide-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with four equivalent CrO6 octahedra, corners with four equivalent CuO6 octahedra, and edges with two equivalent WO6 octahedra. The corner-sharing octahedra tilt angles range from 42–56°. There are a spread of W–O bond distances ranging from 1.85–2.16 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with eight equivalent WO6 octahedra and edges with two equivalent CuO6 octahedra. The corner-sharing octahedra tilt angles range from 42–53°. There are a spread of Cr–O bond distances ranging from 2.01–2.05 Å. Cu1+ is bonded to six O2- atoms to form CuO6 octahedra that share corners with eight equivalent WO6 octahedra and edges with two equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 51–56°. There are a spread of Cu–O bond distances ranging from 2.13–2.22 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one W6+, one Cr3+, and one Cu1+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent W6+ and one Cr3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one W6+, one Cr3+, and one Cu1+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent W6+ and one Cu1+ atom.

36 MATERIALS SCIENCE↗