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Materials Data on Ba2Y(CuO2)4 by Materials Project

YBa2Cu4O8 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.12 Å. Y3+ is bonded in a distorted q6 geometry to two equivalent Cu+2.25+ and eight O2- atoms. Both Y–Cu bond lengths are 2.42 Å. There are four shorter (2.56 Å) and four longer (2.57 Å) Y–O bond lengths. There are two inequivalent Cu+2.25+ sites. In the first Cu+2.25+ site, Cu+2.25+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.87–1.94 Å. In the second Cu+2.25+ site, Cu+2.25+ is bonded in a 5-coordinate geometry to one Y3+ and five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.98–2.07 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.25+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 17°. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.25+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.25+ atoms. In the fourth O2- site, O2- is bonded in a distorted T-shaped geometry to two equivalent Ba2+ and three equivalent Cu+2.25+ atoms.

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Materials Data on Ba2YCu3O7 by Materials Project

YBa2Cu3O7 crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.06 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are four shorter (2.40 Å) and four longer (2.43 Å) Y–O bond lengths. There are two inequivalent Cu+2.33+ sites. In the first Cu+2.33+ site, Cu+2.33+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.30 Å. In the second Cu+2.33+ site, Cu+2.33+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.88 Å) and two longer (1.96 Å) Cu–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two equivalent Cu+2.33+ atoms to form a mixture of distorted edge, corner, and face-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–67°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.33+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.33+ atoms. In the fourth O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.33+ atoms to form a mixture of distorted edge, corner, and face-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–67°.

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Materials Data on Ba4Y2Cu6O13 by Materials Project

Ba4Y2Cu6O13 crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.03 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.41–2.43 Å. There are four inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.52 Å. In the second Cu2+ site, Cu2+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.41 Å. In the third Cu2+ site, Cu2+ is bonded in a linear geometry to two equivalent O2- atoms. Both Cu–O bond lengths are 1.79 Å. In the fourth Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.90 Å) and two longer (1.95 Å) Cu–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu2+ atoms to form a mixture of distorted corner and edge-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–17°. In the second O2- site, O2- is bonded to four equivalent Ba2+ and two Cu2+ atoms to form a mixture of distorted corner and edge-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–17°. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu2+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu2+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two Cu2+ atoms. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Cu2+ atoms.

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Materials Data on Ba2Y(CuO2)3 by Materials Project

YBa2Cu3O6 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.84 Å) and four longer (2.91 Å) Ba–O bond lengths. Y3+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Y–O bond lengths are 2.43 Å. There are two inequivalent Cu+1.67+ sites. In the first Cu+1.67+ site, Cu+1.67+ is bonded in a distorted rectangular see-saw-like geometry to five O2- atoms. There are four shorter (1.95 Å) and one longer (2.79 Å) Cu–O bond lengths. In the second Cu+1.67+ site, Cu+1.67+ is bonded in a linear geometry to two equivalent O2- atoms. Both Cu–O bond lengths are 1.80 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+1.67+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to four equivalent Ba2+ and two Cu+1.67+ atoms.

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Materials Data on BaY2CuO5 by Materials Project

Y2BaCuO5 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ba2+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.64–3.31 Å. There are two inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 pentagonal bipyramids that share corners with four equivalent YO7 pentagonal bipyramids, edges with three equivalent YO7 pentagonal bipyramids, edges with two equivalent CuO5 square pyramids, a faceface with one YO7 pentagonal bipyramid, and a faceface with one CuO5 square pyramid. There are a spread of Y–O bond distances ranging from 2.31–2.39 Å. In the second Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 pentagonal bipyramids that share corners with five equivalent CuO5 square pyramids, edges with five YO7 pentagonal bipyramids, an edgeedge with one CuO5 square pyramid, and a faceface with one YO7 pentagonal bipyramid. There are a spread of Y–O bond distances ranging from 2.29–2.40 Å. Cu2+ is bonded to five O2- atoms to form CuO5 square pyramids that share corners with five equivalent YO7 pentagonal bipyramids, edges with three YO7 pentagonal bipyramids, and a faceface with one YO7 pentagonal bipyramid. There are a spread of Cu–O bond distances ranging from 2.00–2.30 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to three equivalent Ba2+, two Y3+, and one Cu2+ atom to form a mixture of distorted edge and corner-sharing OBa3Y2Cu octahedra. The corner-sharing octahedral tilt angles are 5°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, three Y3+, and one Cu2+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, three Y3+, and one Cu2+ atom.

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Materials Data on Ba4Y(CuO3)3 by Materials Project

YBa4Cu3O9 crystallizes in the cubic Pm-3 space group. The structure is three-dimensional. Ba2+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.88–2.90 Å. There are two inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Y–O bond lengths are 2.23 Å. In the second Y3+ site, Y3+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Y–O bond lengths are 2.23 Å. There are two inequivalent Cu+2.33+ sites. In the first Cu+2.33+ site, Cu+2.33+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.85 Å) and two longer (1.99 Å) Cu–O bond length. In the second Cu+2.33+ site, Cu+2.33+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.85 Å) and two longer (2.09 Å) Cu–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+, one Y3+, and one Cu+2.33+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+, one Y3+, and one Cu+2.33+ atom. In the third O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.33+ atoms to form distorted corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°.

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Materials Data on Ba2Y(Cu2O3)2 by Materials Project

Ba2Y(Cu2O3)2 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–3.10 Å. Y3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent O2- atoms. All Y–O bond lengths are 2.36 Å. There are two inequivalent Cu+1.25+ sites. In the first Cu+1.25+ site, Cu+1.25+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.90 Å) and two longer (1.95 Å) Cu–O bond length. In the second Cu+1.25+ site, Cu+1.25+ is bonded in a T-shaped geometry to three O2- atoms. There are two shorter (1.99 Å) and one longer (2.13 Å) Cu–O bond lengths. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+1.25+ atoms to form distorted OBa4Cu2 octahedra that share corners with four equivalent OBa4Cu2 octahedra, corners with five equivalent OBa2Cu3 trigonal bipyramids, edges with four equivalent OBa4Cu2 octahedra, and faces with two equivalent OBa2Cu3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 4°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+1.25+ atoms. In the third O2- site, O2- is bonded to two equivalent Ba2+ and three equivalent Cu+1.25+ atoms to form distorted OBa2Cu3 trigonal bipyramids that share corners with five equivalent OBa4Cu2 octahedra, corners with four equivalent OBa2Cu3 trigonal bipyramids, edges with two equivalent OBa2Cu3 trigonal bipyramids, and faces with two equivalent OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–58°.

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Materials Data on Ba2Y(CuO2)4 by Materials Project

YBa2Cu4O8 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.69–3.05 Å. Y3+ is bonded in a linear geometry to two equivalent O2- atoms. Both Y–O bond lengths are 2.18 Å. There are two inequivalent Cu+2.25+ sites. In the first Cu+2.25+ site, Cu+2.25+ is bonded to five O2- atoms to form corner-sharing CuO5 trigonal bipyramids. There are a spread of Cu–O bond distances ranging from 1.99–2.16 Å. In the second Cu+2.25+ site, Cu+2.25+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.87–1.91 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.25+ atoms to form distorted OBa4Cu2 octahedra that share corners with four equivalent OBa4Cu2 octahedra, corners with four equivalent OBa2YCu2 trigonal bipyramids, edges with four equivalent OBa4Cu2 octahedra, and faces with two equivalent OBa2YCu2 trigonal bipyramids. The corner-sharing octahedral tilt angles are 9°. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Cu+2.25+ atoms. In the third O2- site, O2- is bonded to two equivalent Ba2+, one Y3+, and two equivalent Cu+2.25+ atoms to form distorted OBa2YCu2 trigonal bipyramids that share corners with four equivalent OBa4Cu2 octahedra, corners with five equivalent OBa2YCu2 trigonal bipyramids, and faces with two equivalent OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 57°. In the fourth O2- site, O2- is bonded in a distorted T-shaped geometry to two equivalent Ba2+ and three equivalent Cu+2.25+ atoms.

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Materials Data on Ba2Y(CuO2)4 by Materials Project

YBa2Cu4O8 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.01 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. All Y–O bond lengths are 2.42 Å. There are two inequivalent Cu+2.25+ sites. In the first Cu+2.25+ site, Cu+2.25+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.96–2.31 Å. In the second Cu+2.25+ site, Cu+2.25+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.85–1.96 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.25+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 11°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.25+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.25+ atoms. In the fourth O2- site, O2- is bonded in a distorted T-shaped geometry to two equivalent Ba2+ and three equivalent Cu+2.25+ atoms.

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Materials Data on Ba4Y2Cu5O14 by Materials Project

Ba4Y2Cu5O14 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.15 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.07 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.34–2.52 Å. There are five inequivalent Cu+2.80+ sites. In the first Cu+2.80+ site, Cu+2.80+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.82–1.95 Å. In the second Cu+2.80+ site, Cu+2.80+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.84–1.95 Å. In the third Cu+2.80+ site, Cu+2.80+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.96–2.40 Å. In the fourth Cu+2.80+ site, Cu+2.80+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are four shorter (1.95 Å) and one longer (2.46 Å) Cu–O bond lengths. In the fifth Cu+2.80+ site, Cu+2.80+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. All Cu–O bond lengths are 1.84 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and one Cu+2.80+ atom. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four equivalent Ba2+ and two Cu+2.80+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two Cu+2.80+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Cu+2.80+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and one Cu+2.80+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to four equivalent Ba2+ and one Cu+2.80+ atom. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and one Cu+2.80+ atom. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two Cu+2.80+ atoms. In the ninth O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.80+ atoms to form distorted corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 15°. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to four equivalent Ba2+ and one Cu+2.80+ atom. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two Cu+2.80+ atoms.

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Materials Data on Ba2Y(CuO2)3 by Materials Project

YBa2Cu3O6 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.26 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are six shorter (2.76 Å) and two longer (3.19 Å) Ba–O bond lengths. Y3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Y–O bond distances ranging from 2.21–2.50 Å. There are three inequivalent Cu+1.67+ sites. In the first Cu+1.67+ site, Cu+1.67+ is bonded to five O2- atoms to form corner-sharing CuO5 trigonal bipyramids. There are a spread of Cu–O bond distances ranging from 1.96–2.32 Å. In the second Cu+1.67+ site, Cu+1.67+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are two shorter (1.99 Å) and one longer (2.09 Å) Cu–O bond lengths. In the third Cu+1.67+ site, Cu+1.67+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.91–1.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ and two equivalent Cu+1.67+ atoms to form a mixture of distorted face, edge, and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 1–65°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+1.67+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+1.67+ atoms. In the fourth O2- site, O2- is bonded in a distorted see-saw-like geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+1.67+ atoms. In the fifth O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+1.67+ atoms to form a mixture of distorted face, edge, and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–65°. In the sixth O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+1.67+ atoms to form a mixture of distorted face, edge, and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°.

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Materials Data on Ba10Y5Cu15O32 by Materials Project

Ba10Y5Cu15O32 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.02 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.03 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.03 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.03 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–2.96 Å. There are three inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.41–2.44 Å. In the second Y3+ site, Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.40–2.44 Å. In the third Y3+ site, Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.42–2.44 Å. There are eight inequivalent Cu+1.93+ sites. In the first Cu+1.93+ site, Cu+1.93+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.56 Å. In the second Cu+1.93+ site, Cu+1.93+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.55 Å. In the third Cu+1.93+ site, Cu+1.93+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.55 Å. In the fourth Cu+1.93+ site, Cu+1.93+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.56 Å. In the fifth Cu+1.93+ site, Cu+1.93+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.56 Å. In the sixth Cu+1.93+ site, Cu+1.93+ is bonded in a T-shaped geometry to three O2- atoms. There is two shorter (1.83 Å) and one longer (1.90 Å) Cu–O bond length. In the seventh Cu+1.93+ site, Cu+1.93+ is bonded in a T-shaped geometry to three O2- atoms. There is two shorter (1.83 Å) and one longer (1.90 Å) Cu–O bond length. In the eighth Cu+1.93+ site, Cu+1.93+ is bonded in a linear geometry to two equivalent O2- atoms. Both Cu–O bond lengths are 1.81 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two equivalent Y3+, and two Cu+1.93+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two equivalent Y3+, and two Cu+1.93+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the ninth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the tenth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+1.93+ atoms. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+1.93+ atoms. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and two Cu+1.93+ atoms. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to four Ba2+ and two Cu+1.93+ atoms. In the fourteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+1.93+ atoms. In the fifteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+1.93+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Cu+1.93+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba4Y2Cu7O15 by Materials Project

Y2Ba4Cu7O15 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.01 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.03 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.40–2.44 Å. There are four inequivalent Cu+2.29+ sites. In the first Cu+2.29+ site, Cu+2.29+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.96–2.28 Å. In the second Cu+2.29+ site, Cu+2.29+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.95–2.30 Å. In the third Cu+2.29+ site, Cu+2.29+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.88 Å) and two longer (1.95 Å) Cu–O bond length. In the fourth Cu+2.29+ site, Cu+2.29+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.85–1.96 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.29+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–11°. In the second O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.29+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 12°. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Cu+2.29+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms. In the seventh O2- site, O2- is bonded in a distorted T-shaped geometry to two equivalent Ba2+ and three equivalent Cu+2.29+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba10Y5(Cu5O11)3 by Materials Project

Ba10Y5(Cu5O11)3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.02 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.00 Å. In the third Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.09 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.00 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.03 Å. There are three inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.40–2.44 Å. In the second Y3+ site, Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.40–2.45 Å. In the third Y3+ site, Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.40–2.44 Å. There are eight inequivalent Cu+2.07+ sites. In the first Cu+2.07+ site, Cu+2.07+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.37 Å. In the second Cu+2.07+ site, Cu+2.07+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.48 Å. In the third Cu+2.07+ site, Cu+2.07+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.49 Å. In the fourth Cu+2.07+ site, Cu+2.07+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.50 Å. In the fifth Cu+2.07+ site, Cu+2.07+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.48 Å. In the sixth Cu+2.07+ site, Cu+2.07+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.90 Å) and two longer (1.92 Å) Cu–O bond length. In the seventh Cu+2.07+ site, Cu+2.07+ is bonded in a T-shaped geometry to three O2- atoms. There is two shorter (1.84 Å) and one longer (1.91 Å) Cu–O bond length. In the eighth Cu+2.07+ site, Cu+2.07+ is bonded in a T-shaped geometry to three O2- atoms. There is two shorter (1.83 Å) and one longer (1.89 Å) Cu–O bond length. There are seventeen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two equivalent Y3+, and two Cu+2.07+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the sixth O2- site, O2- is bonded to four Ba2+ and two Cu+2.07+ atoms to form distorted corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–11°. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+2.07+ atoms. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+2.07+ atoms. In the ninth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+2.07+ atoms. In the tenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Cu+2.07+ atoms. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two equivalent Y3+, and two Cu+2.07+ atoms. In the thirteenth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the fifteenth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two Y3+, and two Cu+2.07+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Cu+2.07+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two equivalent Cu+2.07+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba4Y2Cu6O13 by Materials Project

Ba4Y2Cu6O13 crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.03 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.40–2.44 Å. There are two inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded to five O2- atoms to form distorted corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.56 Å. In the second Cu2+ site, Cu2+ is bonded in a T-shaped geometry to three O2- atoms. There is two shorter (1.83 Å) and one longer (1.90 Å) Cu–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Cu2+ atoms. In the second O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu2+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu2+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu2+ atoms. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to four equivalent Ba2+ and two Cu2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba2YCu3O8 by Materials Project

YBa2Cu3O8 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with eight equivalent BaO12 cuboctahedra, faces with five equivalent BaO12 cuboctahedra, faces with four equivalent CuO6 octahedra, and faces with four equivalent CuO5 square pyramids. There are a spread of Ba–O bond distances ranging from 2.77–3.13 Å. Y3+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Y–O bond lengths are 2.41 Å. There are two inequivalent Cu3+ sites. In the first Cu3+ site, Cu3+ is bonded to six O2- atoms to form CuO6 octahedra that share corners with four equivalent CuO6 octahedra, corners with two equivalent CuO5 square pyramids, and faces with eight equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. There is four shorter (1.97 Å) and two longer (2.00 Å) Cu–O bond length. In the second Cu3+ site, Cu3+ is bonded to five O2- atoms to form CuO5 square pyramids that share a cornercorner with one CuO6 octahedra, corners with four equivalent CuO5 square pyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.00 Å) and one longer (2.01 Å) Cu–O bond lengths. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu3+ atoms. In the second O2- site, O2- is bonded to four equivalent Ba2+ and two Cu3+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. In the third O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Cu3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba2YCuO5 by Materials Project

Ba2YCuO5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ba2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.91–3.01 Å. There are two inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Y–O bond lengths are 2.13 Å. In the second Y3+ site, Y3+ is bonded to six O2- atoms to form YO6 octahedra that share corners with two equivalent CuO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.12 Å) and four longer (2.34 Å) Y–O bond lengths. There are two inequivalent Cu3+ sites. In the first Cu3+ site, Cu3+ is bonded to six O2- atoms to form CuO6 octahedra that share corners with two equivalent YO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There is two shorter (1.85 Å) and four longer (2.13 Å) Cu–O bond length. In the second Cu3+ site, Cu3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Cu–O bond lengths are 1.92 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+, one Y3+, and one Cu3+ atom to form a mixture of distorted face, edge, and corner-sharing OBa4YCu octahedra. The corner-sharing octahedra tilt angles range from 0–66°. In the second O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+, one Y3+, and one Cu3+ atom. In the third O2- site, O2- is bonded to four equivalent Ba2+, one Y3+, and one Cu3+ atom to form a mixture of distorted face, edge, and corner-sharing OBa4YCu octahedra. The corner-sharing octahedra tilt angles range from 0–66°.

36 MATERIALS SCIENCE↗

Materials Data on Ba4Y2Cu7O15 by Materials Project

Y2Ba4Cu7O15 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.06 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.77–3.05 Å. Y3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.39–2.45 Å. There are four inequivalent Cu+2.29+ sites. In the first Cu+2.29+ site, Cu+2.29+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.96–2.30 Å. In the second Cu+2.29+ site, Cu+2.29+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.85–1.95 Å. In the third Cu+2.29+ site, Cu+2.29+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are four shorter (1.97 Å) and one longer (2.31 Å) Cu–O bond lengths. In the fourth Cu+2.29+ site, Cu+2.29+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.88 Å) and two longer (1.96 Å) Cu–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.29+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 11°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms. In the third O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.29+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–11°. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ba2+ and two equivalent Cu+2.29+ atoms. In the sixth O2- site, O2- is bonded in a distorted T-shaped geometry to two equivalent Ba2+ and three equivalent Cu+2.29+ atoms. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Y3+, and two equivalent Cu+2.29+ atoms.

36 MATERIALS SCIENCE↗