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Materials Data on SrLa3(Cu2O5)2 by Materials Project

SrLa3(Cu2O5)2 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–2.92 Å. There are three inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of La–O bond distances ranging from 2.51–2.92 Å. In the second La3+ site, La3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of La–O bond distances ranging from 2.46–2.91 Å. In the third La3+ site, La3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of La–O bond distances ranging from 2.48–2.89 Å. There are four 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 1.88–2.20 Å. In the second 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 1.89–2.27 Å. In the third 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 1.89–2.27 Å. In the fourth 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 1.90–2.29 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to one Sr2+, three La3+, and two equivalent Cu+2.25+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to four La3+ and two equivalent Cu+2.25+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Sr2+, two La3+, and two equivalent Cu+2.25+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+, three La3+, and two equivalent Cu+2.25+ atoms. In the fifth O2- site, O2- is bonded to four La3+ and two Cu+2.25+ atoms to form distorted edge-sharing OLa4Cu2 octahedra. In the sixth O2- site, O2- is bonded to two equivalent Sr2+, two equivalent La3+, and two Cu+2.25+ atoms to form distorted edge-sharing OSr2La2Cu2 octahedra. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two Cu+2.25+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to four La3+ and two Cu+2.25+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two Cu+2.25+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to four La3+ and two Cu+2.25+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on SrLa2(CuO3)2 by Materials Project

La2SrCu2O6 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr2+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Sr–O bond lengths are 2.62 Å. La3+ is bonded in a 1-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.30–2.81 Å. Cu2+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are four shorter (1.94 Å) and one longer (2.36 Å) Cu–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Sr2+, two equivalent La3+, and two equivalent Cu2+ atoms to form a mixture of distorted edge, face, and corner-sharing OSr2La2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–63°. In the second O2- site, O2- is bonded in a 6-coordinate geometry to five equivalent La3+ and one Cu2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SrLaCuO4 by Materials Project

LaSrCuO4 is (La,Ba)CuO4-derived structured and crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.77 Å. La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.34–2.75 Å. Cu3+ is bonded to six O2- atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Cu–O bond distances ranging from 1.94–2.16 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Sr2+, two equivalent La3+, and two equivalent Cu3+ atoms to form distorted OSr2La2Cu2 octahedra that share corners with fourteen OSrLa4Cu octahedra, edges with two equivalent OSr2La2Cu2 octahedra, and faces with eight OSrLa4Cu octahedra. The corner-sharing octahedra tilt angles range from 6–53°. In the second O2- site, O2- is bonded to one Sr2+, four equivalent La3+, and one Cu3+ atom to form distorted OSrLa4Cu octahedra that share corners with seventeen OSrLa4Cu octahedra, edges with eight OSrLa4Cu octahedra, and faces with four equivalent OSr2La2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–53°. In the third O2- site, O2- is bonded to four equivalent Sr2+, one La3+, and one Cu3+ atom to form distorted OSr4LaCu octahedra that share corners with seventeen OSrLa4Cu octahedra, edges with eight OSrLa4Cu octahedra, and faces with four equivalent OSr2La2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–52°.

36 MATERIALS SCIENCE↗

Materials Data on SrLa3(CuO4)2 by Materials Project

SrLa3(CuO4)2 is (La,Ba)CuO4-derived structured and crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.74 Å. There are three inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 1-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.32–2.75 Å. In the second La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.32–2.74 Å. In the third La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.32–2.75 Å. There are two inequivalent Cu+2.50+ sites. In the first Cu+2.50+ site, Cu+2.50+ is bonded to six O2- atoms to form distorted corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 4°. There are a spread of Cu–O bond distances ranging from 1.89–2.46 Å. In the second Cu+2.50+ site, Cu+2.50+ is bonded to six O2- atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedral tilt angles are 4°. There are a spread of Cu–O bond distances ranging from 1.91–2.40 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded to one Sr2+, three La3+, and two Cu+2.50+ atoms to form a mixture of distorted corner, edge, and face-sharing OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–54°. In the second O2- site, O2- is bonded in a 6-coordinate geometry to five La3+ and one Cu+2.50+ atom. In the third O2- site, O2- is bonded to one Sr2+, four La3+, and one Cu+2.50+ atom to form distorted OSrLa4Cu octahedra that share corners with seventeen OSrLa4Cu octahedra, edges with four OSr2La3Cu octahedra, and faces with four equivalent OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–54°. In the fourth O2- site, O2- is bonded to two equivalent Sr2+, three La3+, and one Cu+2.50+ atom to form distorted OSr2La3Cu octahedra that share corners with seventeen OSrLa4Cu octahedra, edges with six OSrLa4Cu octahedra, and faces with four equivalent OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 0–51°. In the fifth O2- site, O2- is bonded to two equivalent Sr2+, three La3+, and one Cu+2.50+ atom to form distorted OSr2La3Cu octahedra that share corners with sixteen OSr2La3Cu octahedra, edges with six OSrLa4Cu octahedra, and faces with four equivalent OSrLa3Cu2 octahedra. The corner-sharing octahedra tilt angles range from 22–51°.

36 MATERIALS SCIENCE↗