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Materials Data on Pr(WO3)5 by Materials Project

Pr(WO3)5 crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. Pr3+ is bonded in a distorted square co-planar geometry to four equivalent O2- atoms. All Pr–O bond lengths are 3.06 Å. There are two inequivalent W+5.40+ sites. In the first W+5.40+ site, W+5.40+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 4–50°. There are a spread of W–O bond distances ranging from 1.92–2.03 Å. In the second W+5.40+ site, W+5.40+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–37°. There is two shorter (1.92 Å) and four longer (1.94 Å) W–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent W+5.40+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Pr3+ and two equivalent W+5.40+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent W+5.40+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two W+5.40+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.40+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent W+5.40+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H(WO3)2 by Materials Project

(WO3)4H2 is High-temperature superconductor-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional and consists of one hydrogen molecule and one WO3 framework. In the WO3 framework, there are two inequivalent W+5.50+ sites. In the first W+5.50+ site, W+5.50+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of W–O bond distances ranging from 1.87–2.02 Å. In the second W+5.50+ site, W+5.50+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of W–O bond distances ranging from 1.87–2.02 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two W+5.50+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two W+5.50+ atoms. In the third O2- site, O2- is bonded in a linear geometry to two W+5.50+ atoms. In the fourth O2- site, O2- is bonded in a linear geometry to two W+5.50+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two W+5.50+ atoms. In the sixth O2- site, O2- is bonded in a linear geometry to two W+5.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na(WO3)2 by Materials Project

Na(WO3)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Na1+ is bonded to twelve O2- atoms to form NaO12 cuboctahedra that share corners with twelve equivalent NaO12 cuboctahedra and faces with eight WO6 octahedra. There are a spread of Na–O bond distances ranging from 2.71–2.82 Å. There are two inequivalent W+5.50+ sites. In the first W+5.50+ site, W+5.50+ is bonded to six O2- atoms to form WO6 octahedra that share corners with six equivalent WO6 octahedra and faces with four equivalent NaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–2°. There is three shorter (1.95 Å) and three longer (1.96 Å) W–O bond length. In the second W+5.50+ site, W+5.50+ is bonded to six O2- atoms to form WO6 octahedra that share corners with six equivalent WO6 octahedra and faces with four equivalent NaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–2°. There is three shorter (1.95 Å) and three longer (1.96 Å) W–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+ and two W+5.50+ atoms. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+ and two W+5.50+ atoms. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+ and two W+5.50+ atoms. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+ and two W+5.50+ atoms. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+ and two W+5.50+ atoms. In the sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+ and two W+5.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb(WO3)6 by Materials Project

Rb(WO3)6 crystallizes in the orthorhombic Pnnm space group. The structure is three-dimensional. Rb1+ is bonded to twelve O2- atoms to form RbO12 cuboctahedra that share edges with twelve WO6 octahedra. All Rb–O bond lengths are 3.36 Å. There are two inequivalent W+5.83+ sites. In the first W+5.83+ site, W+5.83+ is bonded to six O2- atoms to form WO6 octahedra that share corners with six WO6 octahedra and edges with two equivalent RbO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.92–1.97 Å. In the second W+5.83+ site, W+5.83+ is bonded to six O2- atoms to form WO6 octahedra that share corners with six WO6 octahedra and edges with two equivalent RbO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.92–1.97 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent W+5.83+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Rb1+ and two W+5.83+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Rb1+ and two W+5.83+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Rb1+ and two equivalent W+5.83+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.83+ atoms. In the sixth O2- site, O2- is bonded in a linear geometry to two equivalent W+5.83+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb8W13O43 by Materials Project

Rb8W13O43 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to two O2- atoms. There are one shorter (2.68 Å) and one longer (2.97 Å) Rb–O bond lengths. In the second Rb1+ site, Rb1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Rb–O bond distances ranging from 2.84–3.37 Å. In the third Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to one O2- atom. The Rb–O bond length is 2.67 Å. In the fourth Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.80–3.42 Å. In the fifth Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to one O2- atom. The Rb–O bond length is 2.69 Å. In the sixth Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to six O2- atoms. There are a spread of Rb–O bond distances ranging from 2.80–3.46 Å. In the seventh Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Rb–O bond distances ranging from 2.82–3.43 Å. In the eighth Rb1+ site, Rb1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Rb–O bond distances ranging from 2.78–3.46 Å. There are thirteen inequivalent W6+ sites. In the first W6+ site, W6+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with three WO6 octahedra and a cornercorner with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 33–39°. There are a spread of W–O bond distances ranging from 1.74–1.98 Å. In the second W6+ site, W6+ is bonded to six O2- atoms to form WO6 octahedra that share a cornercorner with one WO6 octahedra and corners with three WO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 37°. There are a spread of W–O bond distances ranging from 1.82–2.11 Å. In the third W6+ site, W6+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with two equivalent WO6 octahedra and corners with two WO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 36–38°. There are a spread of W–O bond distances ranging from 1.75–1.98 Å. In the fourth W6+ site, W6+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. There are a spread of W–O bond distances ranging from 1.83–2.09 Å. In the fifth W6+ site, W6+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with two WO6 octahedra and corners with two WO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 34–39°. There are a spread of W–O bond distances ranging from 1.75–1.98 Å. In the sixth W6+ site, W6+ is bonded to six O2- atoms to form WO6 octahedra that share a cornercorner with one WO6 octahedra and corners with three WO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 35°. There are a spread of W–O bond distances ranging from 1.84–2.04 Å. In the seventh W6+ site, W6+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 30–45°. There are a spread of W–O bond distances ranging from 1.88–2.18 Å. In the eighth W6+ site, W6+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with two WO6 octahedra and corners with two WO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 38–39°. There are a spread of W–O bond distances ranging from 1.75–1.98 Å. In the ninth W6+ site, W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with four WO6 octahedra and a cornercorner with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 30–37°. There are a spread of W–O bond distances ranging from 1.77–2.11 Å. In the tenth W6+ site, W6+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 34–45°. There are a spread of W–O bond distances ranging from 1.90–1.98 Å. In the eleventh W6+ site, W6+ is bonded to six O2- atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 30–41°. There are a spread of W–O bond distances ranging from 1.86–2.15 Å. In the twelfth W6+ site, W6+ is bonded to six O2- atoms to form WO6 octahedra that share corners with four WO6 octahedra and a cornercorner with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 30–37°. There are a spread of W–O bond distances ranging from 1.77–2.15 Å. In the thirteenth W6+ site, W6+ is bonded to five O2- atoms to form distorted WO5 trigonal bipyramids that share corners with three WO6 octahedra and a cornercorner with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 35–37°. There are a spread of W–O bond distances ranging from 1.75–1.97 Å. There are forty-three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and one W6+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. 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 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+ and one W6+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and one W6+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two W6+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one W6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one W6+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and one W6+ atom. In the nineteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two W6+ atoms. In the twentieth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two W6+ atoms. In the twenty-first O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+ and one W6+ atom. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the twenty-third O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+ and one W6+ atom. In the twenty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the twenty-sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one W6+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one W6+ atom. In the twenty-eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the twenty-ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the thirtieth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the thirty-first O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the thirty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Rb1+ and two W6+ atoms. In the thirty-third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the thirty-fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Rb1+ and two W6+ atoms. In the thirty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two W6+ atoms. In the thirty-sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+ and one W6+ atom. In the thirty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the thirty-eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Rb1+ and two W6+ atoms. In the thirty-ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the fortieth O2- site, O2- is bonded in a 1-coordinate geometry to two Rb1+ and one W6+ atom. In the forty-first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two W6+ atoms. In the forty-second O2- site, O2- is bonded in a bent 150 degrees geometry to two W6+ atoms. In the forty-third O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+ and one W6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cr8Ni50Mo15W2 by Materials Project

W2Mo15Cr8Ni50 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent W sites. In the first W site, W is bonded to two Cr and ten Ni atoms to form WCr2Ni10 cuboctahedra that share corners with two MoCr2Ni10 cuboctahedra, corners with ten NiCr3Ni7MoW cuboctahedra, an edgeedge with one WNi10Mo2 cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with six MoNi10Mo2 cuboctahedra, edges with twelve NiCr2Ni7Mo3 cuboctahedra, faces with two MoCr2Ni10 cuboctahedra, faces with two CrNi10MoW cuboctahedra, and faces with fourteen NiCr3Ni7MoW cuboctahedra. Both W–Cr bond lengths are 2.57 Å. There are a spread of W–Ni bond distances ranging from 2.53–2.58 Å. In the second W site, W is bonded to two Mo and ten Ni atoms to form WNi10Mo2 cuboctahedra that share a cornercorner with one MoNi10Mo2 cuboctahedra, a cornercorner with one CrCrNi10Mo cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, an edgeedge with one WCr2Ni10 cuboctahedra, edges with four CrNi10MoW cuboctahedra, edges with seven MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7Mo3 cuboctahedra, a faceface with one CrCrNi10Mo cuboctahedra, faces with three MoCrNi10W cuboctahedra, and faces with fourteen NiNi7Mo4W cuboctahedra. There are one shorter (2.58 Å) and one longer (2.61 Å) W–Mo bond lengths. There are a spread of W–Ni bond distances ranging from 2.53–2.59 Å. There are fifteen inequivalent Mo sites. In the first Mo site, Mo is bonded to two Cr and ten Ni atoms to form MoCr2Ni10 cuboctahedra that share a cornercorner with one WCr2Ni10 cuboctahedra, a cornercorner with one MoCrNi10Mo cuboctahedra, corners with ten NiCr3Ni7MoW cuboctahedra, an edgeedge with one WNi10Mo2 cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with six MoNi10Mo2 cuboctahedra, edges with twelve NiCr2Ni7Mo3 cuboctahedra, a faceface with one WCr2Ni10 cuboctahedra, a faceface with one MoCrNi10Mo cuboctahedra, faces with two CrNi10MoW cuboctahedra, and faces with fourteen NiNi7Mo4W cuboctahedra. There are one shorter (2.54 Å) and one longer (2.57 Å) Mo–Cr bond lengths. There are a spread of Mo–Ni bond distances ranging from 2.53–2.59 Å. In the second Mo site, Mo is bonded to one Mo, one Cr, and ten Ni atoms to form distorted MoCrNi10Mo cuboctahedra that share a cornercorner with one WCr2Ni10 cuboctahedra, a cornercorner with one MoNi10Mo2 cuboctahedra, corners with ten NiCr3Ni7MoW cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with seven MoNi10Mo2 cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one WCr2Ni10 cuboctahedra, a faceface with one CrNi10MoW cuboctahedra, faces with two MoNi10Mo2 cuboctahedra, and faces with fourteen NiCr3Ni7MoW cuboctahedra. The Mo–Mo bond length is 2.61 Å. The Mo–Cr bond length is 2.50 Å. There are a spread of Mo–Ni bond distances ranging from 2.53–2.62 Å. In the third Mo site, Mo is bonded to two Mo and ten Ni atoms to form MoNi10Mo2 cuboctahedra that share corners with two MoNi10MoW cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, an edgeedge with one WNi10Mo2 cuboctahedra, edges with three CrNi10Mo2 cuboctahedra, edges with eight MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, faces with four MoNi10MoW cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. There are one shorter (2.56 Å) and one longer (2.57 Å) Mo–Mo bond lengths. There are a spread of Mo–Ni bond distances ranging from 2.54–2.59 Å. In the fourth Mo site, Mo is bonded to two Mo and ten Ni atoms to form MoNi10Mo2 cuboctahedra that share a cornercorner with one MoNi10Mo2 cuboctahedra, a cornercorner with one CrNi10MoW cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, an edgeedge with one WCr2Ni10 cuboctahedra, edges with four CrCrNi10Mo cuboctahedra, edges with seven MoCrNi10Mo cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one CrNi10MoW cuboctahedra, faces with three MoNi10Mo2 cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. The Mo–Mo bond length is 2.56 Å. There are a spread of Mo–Ni bond distances ranging from 2.54–2.59 Å. In the fifth Mo site, Mo is bonded to two Mo and ten Ni atoms to form MoNi10Mo2 cuboctahedra that share corners with two MoCrNi10Mo cuboctahedra, corners with ten NiCr3Ni7MoW cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with seven MoNi10Mo2 cuboctahedra, edges with twelve NiCr2Ni7Mo3 cuboctahedra, faces with four MoCrNi10Mo cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. There are a spread of Mo–Ni bond distances ranging from 2.54–2.59 Å. In the sixth Mo site, Mo is bonded to two Mo and ten Ni atoms to form MoNi10Mo2 cuboctahedra that share a cornercorner with one WNi10Mo2 cuboctahedra, a cornercorner with one MoNi10Mo2 cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, edges with four CrNi10MoW cuboctahedra, edges with eight MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7MoW2 cuboctahedra, a faceface with one WNi10Mo2 cuboctahedra, faces with three MoNi10MoW cuboctahedra, and faces with fourteen NiNi7Mo4W cuboctahedra. The Mo–Mo bond length is 2.55 Å. There are a spread of Mo–Ni bond distances ranging from 2.54–2.59 Å. In the seventh Mo site, Mo is bonded to one W, one Cr, and ten Ni atoms to form MoCrNi10W cuboctahedra that share a cornercorner with one MoNi10MoW cuboctahedra, a cornercorner with one CrCrNi10Mo cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with four CrNi10MoW cuboctahedra, edges with six MoCrNi10Mo cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one WNi10Mo2 cuboctahedra, a faceface with one MoNi10MoW cuboctahedra, faces with two CrCrNi10Mo cuboctahedra, and faces with fourteen NiCr3Ni7MoW cuboctahedra. The Mo–Cr bond length is 2.53 Å. There are a spread of Mo–Ni bond distances ranging from 2.53–2.62 Å. In the eighth Mo site, Mo is bonded to one W, one Mo, and ten Ni atoms to form MoNi10MoW cuboctahedra that share corners with two MoCrNi10W cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with four CrNi10MoW cuboctahedra, edges with six MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one WNi10Mo2 cuboctahedra, faces with three MoCrNi10W cuboctahedra, and faces with fourteen NiNi7Mo4W cuboctahedra. There are a spread of Mo–Ni bond distances ranging from 2.54–2.60 Å. In the ninth Mo site, Mo is bonded to two Cr and ten Ni atoms to form MoCr2Ni10 cuboctahedra that share a cornercorner with one MoCr2Ni10 cuboctahedra, a cornercorner with one CrCrNi10Mo cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, edges with five CrNi10Mo2 cuboctahedra, edges with seven MoCrNi10Mo cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one MoCr2Ni10 cuboctahedra, faces with three CrCrNi10Mo cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. There are one shorter (2.56 Å) and one longer (2.59 Å) Mo–Cr bond lengths. There are a spread of Mo–Ni bond distances ranging from 2.52–2.58 Å. In the tenth Mo site, Mo is bonded to one Mo, one Cr, and ten Ni atoms to form distorted MoCrNi10Mo cuboctahedra that share corners with two MoCr2Ni10 cuboctahedra, corners with ten NiCrNi7Mo3W cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with five MoCr2Ni10 cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with twelve NiNi7Mo5 cuboctahedra, a faceface with one CrNi10Mo2 cuboctahedra, faces with three MoCr2Ni10 cuboctahedra, and faces with fourteen NiCrNi7Mo3W cuboctahedra. The Mo–Mo bond length is 2.61 Å. The Mo–Cr bond length is 2.52 Å. There are a spread of Mo–Ni bond distances ranging from 2.53–2.62 Å. In the eleventh Mo site, Mo is bonded to two Cr and ten Ni atoms to form MoCr2Ni10 cuboctahedra that share corners with two MoCr2Ni10 cuboctahedra, corners with ten NiCrNi7Mo4 cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with seven MoCr2Ni10 cuboctahedra, edges with twelve NiNi7Mo5 cuboctahedra, faces with two MoCr2Ni10 cuboctahedra, faces with two CrNi10Mo2 cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. Both Mo–Cr bond lengths are 2.56 Å. There are a spread of Mo–Ni bond distances ranging from 2.52–2.58 Å. In the twelfth Mo site, Mo is bonded to two Mo and ten Ni atoms to form MoNi10Mo2 cuboctahedra that share corners with two CrNi10Mo2 cuboctahedra, corners with ten NiCrNi7Mo2W2 cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with three CrNi10MoW cuboctahedra, edges with seven MoCrNi10Mo cuboctahedra, edges with twelve NiCrNi7Mo3W cuboctahedra, faces with two MoCrNi10Mo cuboctahedra, faces with two CrNi10Mo2 cuboctahedra, and faces with fourteen NiCrNi7Mo3W cuboctahedra. The Mo–Mo bond length is 2.60 Å. There are a spread of Mo–Ni bond distances ranging from 2.53–2.59 Å. In the thirteenth Mo site, Mo is bonded to one Mo, one Cr, and ten Ni atoms to form distorted MoCrNi10Mo cuboctahedra that share a cornercorner with one MoCrNi10Mo cuboctahedra, a cornercorner with one CrNi10Mo2 cuboctahedra, corners with ten NiNi7Mo4W cuboctahedra, edges with four CrCrNi10Mo cuboctahedra, edges with eight MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7Mo3 cuboctahedra, faces with two MoCrNi10Mo cuboctahedra, faces with two CrNi10Mo2 cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. The Mo–Mo bond length is 2.65 Å. The Mo–Cr bond length is 2.51 Å. There are a spread of Mo–Ni bond distances ranging from 2.53–2.62 Å. In the fourteenth Mo site, Mo is bonded to one Mo, one Cr, and ten Ni atoms to form distorted MoCrNi10Mo cuboctahedra that share corners with two MoCrNi10Mo cuboctahedra, corners with ten NiCr3Ni7MoW cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with five MoCrNi10Mo cuboctahedra, edges with five CrNi10MoW cuboctahedra, edges with twelve NiNi7Mo4W cuboctahedra, a faceface with one CrNi10Mo2 cuboctahedra, faces with three MoCrNi10Mo cuboctahedra, and faces with fourteen NiCrNi7Mo3W cuboctahedra. The Mo–Cr bond length is 2.53 Å. There are a spread of Mo–Ni bond distances ranging from 2.54–2.62 Å. In the fifteenth Mo site, Mo is bonded to one Mo, one Cr, and ten Ni atoms to form distorted MoCrNi10Mo cuboctahedra that share a cornercorner with one MoCr2Ni10 cuboctahedra, a cornercorner with one CrNi10Mo2 cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, edges with four CrNi10MoW cuboctahedra, edges with eight MoNi10Mo2 cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, faces with two MoCrNi10Mo cuboctahedra, faces with two CrNi10Mo2 cuboctahedra, and faces with fourteen NiCr2Ni7Mo3 cuboctahedra. The Mo–Cr bond length is 2.51 Å. There are a spread of Mo–Ni bond distances ranging from 2.53–2.62 Å. There are eight inequivalent Cr sites. In the first Cr site, Cr is bonded to one W, one Mo, and ten Ni atoms to form CrNi10MoW cuboctahedra that share a cornercorner with one MoNi10Mo2 cuboctahedra, a cornercorner with one CrNi10MoW cuboctahedra, corners with ten NiCr2Ni7Mo3 cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with three CrCrNi10Mo cuboctahedra, edges with seven MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one WCr2Ni10 cuboctahedra, a faceface with one CrNi10MoW cuboctahedra, faces with two MoNi10Mo2 cuboctahedra, and faces with fourteen NiCr3Ni7MoW cuboctahedra. There are a spread of Cr–Ni bond distances ranging from 2.51–2.57 Å. In the second Cr site, Cr is bonded to one W, one Mo, and ten Ni atoms to form CrNi10MoW cuboctahedra that share corners with two CrNi10MoW cuboctahedra, corners with ten NiNi7Mo4W cuboctahedra, an edgeedge with one CrNi10Mo2 cuboctahedra, edges with two WCr2Ni10 cuboctahedra, edges with nine MoCr2Ni10 cuboctahedra, edges with twelve NiCr2Ni7Mo2W cuboctahedra, a faceface with one WCr2Ni10 cuboctahedra, a faceface with one MoCr2Ni10 cuboctahedra, faces with two CrNi10MoW cuboctahedra, and

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Al3W3C4 by Materials Project

W3Al2C4Al crystallizes in the orthorhombic Pmm2 space group. The structure is two-dimensional and consists of one aluminum molecule and one W3Al2C4 sheet oriented in the (0, 0, 1) direction. In the W3Al2C4 sheet, there are three inequivalent W+2.33+ sites. In the first W+2.33+ site, W+2.33+ is bonded in an L-shaped geometry to two equivalent C4- atoms. Both W–C bond lengths are 2.16 Å. In the second W+2.33+ site, W+2.33+ is bonded to six C4- atoms to form a mixture of distorted edge, face, and corner-sharing WC6 pentagonal pyramids. There are two shorter (2.19 Å) and four longer (2.24 Å) W–C bond lengths. In the third W+2.33+ site, W+2.33+ is bonded to six C4- atoms to form distorted WC6 pentagonal pyramids that share corners with four equivalent AlC6 pentagonal pyramids, corners with eight WC6 pentagonal pyramids, edges with two equivalent AlC6 pentagonal pyramids, edges with four WC6 pentagonal pyramids, and faces with two equivalent WC6 pentagonal pyramids. There are two shorter (2.15 Å) and four longer (2.21 Å) W–C bond lengths. There are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six C4- atoms to form distorted AlC6 pentagonal pyramids that share corners with four equivalent WC6 pentagonal pyramids, corners with four equivalent AlC6 pentagonal pyramids, edges with two equivalent WC6 pentagonal pyramids, edges with two equivalent AlC6 pentagonal pyramids, and faces with two equivalent AlC6 pentagonal pyramids. There are four shorter (2.17 Å) and two longer (2.36 Å) Al–C bond lengths. In the second Al3+ site, Al3+ is bonded in a distorted square co-planar geometry to four equivalent C4- atoms. All Al–C bond lengths are 2.11 Å. There are four inequivalent C4- sites. In the first C4- site, C4- is bonded to six W+2.33+ atoms to form a mixture of distorted edge, face, and corner-sharing CW6 pentagonal pyramids. In the second C4- site, C4- is bonded to six W+2.33+ atoms to form a mixture of distorted edge, face, and corner-sharing CW6 pentagonal pyramids. In the third C4- site, C4- is bonded in a 6-coordinate geometry to two equivalent W+2.33+ and four equivalent Al3+ atoms. In the fourth C4- site, C4- is bonded in a 6-coordinate geometry to six Al3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ru3W3C2 by Materials Project

W3Ru3C2 is H-Phase-like structured and crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. there are two inequivalent W sites. In the first W site, W is bonded to nine W and three equivalent Ru atoms to form WRu3W9 cuboctahedra that share corners with nine equivalent WRu3W9 cuboctahedra, corners with six equivalent CRu6 octahedra, edges with fifteen WRu3W9 cuboctahedra, faces with twelve WRu3W9 cuboctahedra, and a faceface with one CRu6 octahedra. The corner-sharing octahedral tilt angles are 44°. There are six shorter (2.86 Å) and three longer (2.90 Å) W–W bond lengths. All W–Ru bond lengths are 2.76 Å. In the second W site, W is bonded to twelve W atoms to form WW12 cuboctahedra that share corners with six equivalent WW12 cuboctahedra, edges with eighteen WRu3W9 cuboctahedra, and faces with eighteen WRu3W9 cuboctahedra. All W–W bond lengths are 2.86 Å. There are two inequivalent Ru sites. In the first Ru site, Ru is bonded in a 3-coordinate geometry to three equivalent W and three equivalent C atoms. All Ru–C bond lengths are 2.06 Å. In the second Ru site, Ru is bonded to six equivalent C atoms to form edge-sharing RuC6 octahedra. All Ru–C bond lengths are 2.20 Å. C is bonded to six Ru atoms to form CRu6 octahedra that share corners with six equivalent WRu3W9 cuboctahedra, corners with three equivalent CRu6 octahedra, edges with nine equivalent CRu6 octahedra, and a faceface with one WRu3W9 cuboctahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Mg2(WO4)3 by Materials Project

Na3Mg2(WO4)3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.45 Å. In the second Na1+ site, Na1+ is bonded in a distorted hexagonal planar geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.42–2.69 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 pentagonal pyramids that share corners with two equivalent MgO6 octahedra, corners with four equivalent WO4 tetrahedra, edges with two equivalent MgO6 octahedra, edges with two equivalent NaO6 pentagonal pyramids, and an edgeedge with one WO4 tetrahedra. The corner-sharing octahedral tilt angles are 67°. There are a spread of Na–O bond distances ranging from 2.50–2.64 Å. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share a cornercorner with one NaO6 pentagonal pyramid, corners with six WO4 tetrahedra, an edgeedge with one MgO6 octahedra, and an edgeedge with one NaO6 pentagonal pyramid. There are a spread of Mg–O bond distances ranging from 2.06–2.32 Å. There are two inequivalent W+5.67+ sites. In the first W+5.67+ site, W+5.67+ is bonded to four O2- atoms to form distorted WO4 tetrahedra that share corners with four equivalent MgO6 octahedra and an edgeedge with one NaO6 pentagonal pyramid. The corner-sharing octahedra tilt angles range from 60–65°. There is two shorter (1.88 Å) and two longer (1.91 Å) W–O bond length. In the second W+5.67+ site, W+5.67+ is bonded to four O2- atoms to form WO4 tetrahedra that share corners with four equivalent MgO6 octahedra and corners with two equivalent NaO6 pentagonal pyramids. The corner-sharing octahedra tilt angles range from 39–64°. There are a spread of W–O bond distances ranging from 1.78–1.85 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mg2+ and one W+5.67+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Mg2+, and one W+5.67+ atom. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Na1+ and one W+5.67+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Mg2+, and one W+5.67+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one Mg2+, and one W+5.67+ atom. In the sixth O2- site, O2- is bonded to two equivalent Na1+, one Mg2+, and one W+5.67+ atom to form a mixture of distorted edge and corner-sharing ONa2MgW trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zr3W5 by Materials Project

W5Zr3 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Zr sites. In the first Zr site, Zr is bonded in a 4-coordinate geometry to ten W atoms. There are a spread of Zr–W bond distances ranging from 2.69–3.13 Å. In the second Zr site, Zr is bonded in a 10-coordinate geometry to two equivalent Zr and eight equivalent W atoms. Both Zr–Zr bond lengths are 2.66 Å. All Zr–W bond lengths are 3.12 Å. There are two inequivalent W sites. In the first W site, W is bonded in a 6-coordinate geometry to four equivalent Zr and ten W atoms. There are two shorter (2.66 Å) and eight longer (2.97 Å) W–W bond lengths. In the second W site, W is bonded in a 2-coordinate geometry to six Zr and two equivalent W atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf9W4O3 by Materials Project

Hf9W4O3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Hf sites. In the first Hf site, Hf is bonded in a distorted bent 150 degrees geometry to two equivalent W and two equivalent O atoms. Both Hf–W bond lengths are 2.89 Å. Both Hf–O bond lengths are 2.24 Å. In the second Hf site, Hf is bonded in a 2-coordinate geometry to four W and two equivalent O atoms. There are a spread of Hf–W bond distances ranging from 3.03–3.14 Å. Both Hf–O bond lengths are 2.33 Å. There are two inequivalent W sites. In the first W site, W is bonded in a 12-coordinate geometry to eight Hf and four W atoms. There are two shorter (2.70 Å) and two longer (2.89 Å) W–W bond lengths. In the second W site, W is bonded to six equivalent Hf and six equivalent W atoms to form WHf6W6 cuboctahedra that share edges with six equivalent OHf6 octahedra and faces with two equivalent WHf6W6 cuboctahedra. O is bonded to six Hf atoms to form OHf6 octahedra that share corners with six equivalent OHf6 octahedra and edges with two equivalent WHf6W6 cuboctahedra. The corner-sharing octahedra tilt angles range from 37–43°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Al4Ge2W3 by Materials Project

W3Al4Ge2 is Titanium Disilicide-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent W sites. In the first W site, W is bonded in a 10-coordinate geometry to six Al and four equivalent Ge atoms. There are a spread of W–Al bond distances ranging from 2.64–2.87 Å. There are a spread of W–Ge bond distances ranging from 2.63–2.81 Å. In the second W site, W is bonded in a distorted q6 geometry to eight Al and two equivalent Ge atoms. There are a spread of W–Al bond distances ranging from 2.65–2.82 Å. Both W–Ge bond lengths are 2.61 Å. There are three inequivalent Al sites. In the first Al site, Al is bonded in a 10-coordinate geometry to five W and five Al atoms. There are a spread of Al–Al bond distances ranging from 2.61–2.81 Å. In the second Al site, Al is bonded in a 10-coordinate geometry to five W, one Al, and four equivalent Ge atoms. There are a spread of Al–Ge bond distances ranging from 2.66–2.85 Å. In the third Al site, Al is bonded in a 10-coordinate geometry to five W, three equivalent Al, and two equivalent Ge atoms. Both Al–Ge bond lengths are 2.63 Å. Ge is bonded in a 10-coordinate geometry to five W and five Al atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca9Si6(WO7)4 by Materials Project

Ca9Si6(WO7)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.29–2.60 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted CaO6 octahedra that share a cornercorner with one CaO6 octahedra, corners with four SiO4 tetrahedra, and edges with four CaO6 octahedra. The corner-sharing octahedral tilt angles are 70°. There are a spread of Ca–O bond distances ranging from 2.20–2.68 Å. In the third Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted CaO6 octahedra that share a cornercorner with one CaO6 octahedra, corners with four SiO4 tetrahedra, a cornercorner with one WO5 trigonal bipyramid, and edges with four CaO6 octahedra. The corner-sharing octahedral tilt angles are 67°. There are a spread of Ca–O bond distances ranging from 2.20–2.78 Å. In the fourth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with two CaO6 octahedra, corners with three SiO4 tetrahedra, a cornercorner with one WO5 trigonal bipyramid, an edgeedge with one CaO6 octahedra, and an edgeedge with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 67–70°. There are a spread of Ca–O bond distances ranging from 2.38–2.53 Å. In the fifth Ca2+ site, Ca2+ is bonded in a linear geometry to two equivalent O2- atoms. Both Ca–O bond lengths are 2.16 Å. There are two inequivalent W+3.50+ sites. In the first W+3.50+ site, W+3.50+ is bonded to five O2- atoms to form WO5 trigonal bipyramids that share corners with two CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, an edgeedge with one CaO6 octahedra, and an edgeedge with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 19–49°. There are a spread of W–O bond distances ranging from 1.93–2.25 Å. In the second W+3.50+ site, W+3.50+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of W–O bond distances ranging from 1.95–2.22 Å. There are three inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two CaO6 octahedra, corners with two SiO4 tetrahedra, and a cornercorner with one WO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 67–73°. There is two shorter (1.63 Å) and two longer (1.65 Å) Si–O bond length. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with five CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 44–74°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–68°. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+ and two Si4+ atoms. In the second O2- site, O2- is bonded to three Ca2+ and one Si4+ atom to form distorted OCa3Si tetrahedra that share corners with two equivalent OCa3W tetrahedra, a cornercorner with one OCa3Si trigonal pyramid, and an edgeedge with one OCa3Si tetrahedra. In the third O2- site, O2- is bonded in a distorted T-shaped geometry to one Ca2+ and two equivalent W+3.50+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Si4+ atom. In the sixth O2- site, O2- is bonded to three Ca2+ and one Si4+ atom to form distorted OCa3Si trigonal pyramids that share corners with four OCa3W tetrahedra and an edgeedge with one OCa3Si trigonal pyramid. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Ca2+ atoms. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to two W+3.50+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the tenth O2- site, O2- is bonded in a distorted see-saw-like geometry to three Ca2+ and one W+3.50+ atom. In the eleventh O2- site, O2- is bonded to three Ca2+ and one W+3.50+ atom to form distorted corner-sharing OCa3W tetrahedra. In the twelfth O2- site, O2- is bonded in a distorted T-shaped geometry to one Ca2+ and two W+3.50+ atoms. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to two Ca2+, one W+3.50+, and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Si4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2Fe2(WO4)3 by Materials Project

Li2Fe2(WO4)3 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share corners with four WO4 tetrahedra and edges with two equivalent FeO6 octahedra. There are a spread of Li–O bond distances ranging from 1.98–2.03 Å. There are two inequivalent W+5.33+ sites. In the first W+5.33+ site, W+5.33+ is bonded to four O2- atoms to form WO4 tetrahedra that share corners with four equivalent FeO6 octahedra and corners with three equivalent LiO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 18–49°. There are a spread of W–O bond distances ranging from 1.79–1.83 Å. In the second W+5.33+ site, W+5.33+ is bonded to four O2- atoms to form WO4 tetrahedra that share corners with four equivalent FeO6 octahedra and corners with two equivalent LiO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 22–40°. There is two shorter (1.80 Å) and two longer (1.83 Å) W–O bond length. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six WO4 tetrahedra and edges with two equivalent LiO4 trigonal pyramids. There are a spread of Fe–O bond distances ranging from 2.08–2.21 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one W+5.33+, and one Fe3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one W+5.33+, and one Fe3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one W+5.33+, and one Fe3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one W+5.33+, and one Fe3+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one W+5.33+ and one Fe3+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one W+5.33+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zr9W4O3 by Materials Project

Zr9W4O3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Zr sites. In the first Zr site, Zr is bonded in a distorted bent 150 degrees geometry to two equivalent W and two equivalent O atoms. Both Zr–W bond lengths are 2.95 Å. Both Zr–O bond lengths are 2.26 Å. In the second Zr site, Zr is bonded in a 2-coordinate geometry to four W and two equivalent O atoms. There are a spread of Zr–W bond distances ranging from 3.07–3.17 Å. Both Zr–O bond lengths are 2.36 Å. There are two inequivalent W sites. In the first W site, W is bonded in a 12-coordinate geometry to eight Zr and four W atoms. There are two shorter (2.72 Å) and two longer (2.88 Å) W–W bond lengths. In the second W site, W is bonded to six equivalent Zr and six equivalent W atoms to form WZr6W6 cuboctahedra that share edges with six equivalent OZr6 octahedra and faces with two equivalent WZr6W6 cuboctahedra. O is bonded to six Zr atoms to form OZr6 octahedra that share corners with six equivalent OZr6 octahedra and edges with two equivalent WZr6W6 cuboctahedra. The corner-sharing octahedra tilt angles range from 37–43°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf9W4Se by Materials Project

Hf9W4Se crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Hf sites. In the first Hf site, Hf is bonded in a 1-coordinate geometry to four W and one Se atom. There are a spread of Hf–W bond distances ranging from 2.87–3.09 Å. The Hf–Se bond length is 2.75 Å. In the second Hf site, Hf is bonded in a distorted T-shaped geometry to two equivalent W and one Se atom. Both Hf–W bond lengths are 2.94 Å. The Hf–Se bond length is 3.17 Å. There are two inequivalent W sites. In the first W site, W is bonded in a 12-coordinate geometry to eight Hf and four W atoms. There are two shorter (2.73 Å) and two longer (2.89 Å) W–W bond lengths. In the second W site, W is bonded to six equivalent Hf and six equivalent W atoms to form face-sharing WHf6W6 cuboctahedra. Se is bonded in a 9-coordinate geometry to nine Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ReW4 by Materials Project

W4Re crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are two inequivalent W sites. In the first W site, W is bonded in a 8-coordinate geometry to two equivalent W and two equivalent Re atoms. Both W–W bond lengths are 2.75 Å. Both W–Re bond lengths are 2.74 Å. In the second W site, W is bonded in a distorted body-centered cubic geometry to eight W atoms. All W–W bond lengths are 2.75 Å. Re is bonded in a 4-coordinate geometry to four equivalent W atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ReW3 by Materials Project

W3Re crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent W sites. In the first W site, W is bonded in a 8-coordinate geometry to two equivalent W and two equivalent Re atoms. Both W–W bond lengths are 2.75 Å. Both W–Re bond lengths are 2.74 Å. In the second W site, W is bonded in a distorted body-centered cubic geometry to eight W atoms. All W–W bond lengths are 2.74 Å. Re is bonded in a 4-coordinate geometry to four equivalent W atoms.

36 MATERIALS SCIENCE↗