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Materials Data on La4Fe(NiO4)3 by Materials Project

La4Fe(NiO4)3 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.81 Å. In the second La3+ site, La3+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.40–2.80 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six NiO6 octahedra. The corner-sharing octahedra tilt angles range from 20–22°. All Fe–O bond lengths are 1.97 Å. There are three inequivalent Ni3+ sites. In the first Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with two equivalent NiO6 octahedra and corners with four equivalent FeO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are four shorter (2.00 Å) and two longer (2.01 Å) Ni–O bond lengths. In the second Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with two equivalent FeO6 octahedra and corners with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 20–21°. There are a spread of Ni–O bond distances ranging from 1.99–2.01 Å. In the third Ni3+ site, Ni3+ is bonded to six O2- atoms to form corner-sharing NiO6 octahedra. The corner-sharing octahedra tilt angles range from 21–22°. There are a spread of Ni–O bond distances ranging from 1.95–1.97 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Ni3+ atoms. In the third O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Ni3+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Ni3+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on La4Fe(NiO4)3 by Materials Project

La4Fe(NiO4)3 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.42–2.79 Å. In the second La3+ site, La3+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.80 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent NiO6 octahedra. The corner-sharing octahedral tilt angles are 20°. There is four shorter (1.96 Å) and two longer (1.97 Å) Fe–O bond length. There are two inequivalent Ni3+ sites. In the first Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with three equivalent FeO6 octahedra and corners with three equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 19–20°. There are a spread of Ni–O bond distances ranging from 1.98–2.01 Å. In the second Ni3+ site, Ni3+ is bonded to six O2- atoms to form corner-sharing NiO6 octahedra. The corner-sharing octahedra tilt angles range from 19–20°. There are a spread of Ni–O bond distances ranging from 1.96–1.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Ni3+ atoms. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent La3+, one Fe3+, and one Ni3+ atom. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent La3+ and two Ni3+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Ni3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on La4Fe(NiO5)2 by Materials Project

La4Fe(NiO5)2 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. there are four inequivalent La3+ sites. In the first 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 2.42–2.82 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 2.30–2.80 Å. In the third La3+ site, La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with eight LaO12 cuboctahedra, faces with five LaO12 cuboctahedra, and faces with eight NiO6 octahedra. There are a spread of La–O bond distances ranging from 2.76–2.82 Å. In the fourth La3+ site, La3+ is bonded to twelve O2- atoms to form distorted LaO12 cuboctahedra that share corners with eight LaO12 cuboctahedra, faces with five LaO12 cuboctahedra, faces with four equivalent FeO6 octahedra, and faces with four equivalent NiO6 octahedra. There are a spread of La–O bond distances ranging from 2.59–3.02 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one NiO6 octahedra, corners with four equivalent FeO6 octahedra, and faces with four equivalent LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–7°. There are a spread of Fe–O bond distances ranging from 1.93–2.23 Å. There are two inequivalent Ni+2.50+ sites. In the first Ni+2.50+ site, Ni+2.50+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with five NiO6 octahedra and faces with four equivalent LaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. There are a spread of Ni–O bond distances ranging from 1.95–2.19 Å. In the second Ni+2.50+ site, Ni+2.50+ is bonded to six O2- atoms to form NiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five NiO6 octahedra, and faces with eight LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Ni–O bond distances ranging from 1.94–2.01 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to five La3+ and one Fe3+ atom to form a mixture of distorted edge and corner-sharing OLa5Fe octahedra. The corner-sharing octahedral tilt angles are 19°. In the second O2- site, O2- is bonded in a 2-coordinate geometry to five La3+ and one Ni+2.50+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to four La3+ and two equivalent Fe3+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to four La3+ and two equivalent Ni+2.50+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four equivalent La3+, one Fe3+, and one Ni+2.50+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four equivalent La3+ and two Ni+2.50+ atoms. In the seventh O2- site, O2- is bonded to four La3+ and two equivalent Ni+2.50+ atoms to form a mixture of distorted edge, face, and corner-sharing OLa4Ni2 octahedra. The corner-sharing octahedral tilt angles are 3°.

36 MATERIALS SCIENCE↗

Materials Data on La5Fe4NiO15 by Materials Project

La5Fe4NiO15 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are five inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 1-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.33–2.82 Å. In the second La3+ site, La3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.38–2.84 Å. In the third La3+ site, La3+ is bonded in a 1-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.36–2.84 Å. In the fourth La3+ site, La3+ is bonded in a 11-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.38–2.82 Å. In the fifth La3+ site, La3+ is bonded in a 12-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.84 Å. There are five inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 22–29°. There are a spread of Fe–O bond distances ranging from 2.01–2.06 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 23–29°. There are four shorter (2.02 Å) and two longer (2.05 Å) Fe–O bond lengths. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 21–27°. There is four shorter (1.99 Å) and two longer (2.00 Å) Fe–O bond length. In the fourth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with three equivalent FeO6 octahedra and corners with three equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 21–28°. There are a spread of Fe–O bond distances ranging from 1.98–2.07 Å. In the fifth Fe3+ site, Fe3+ is bonded to six O2- atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 22–29°. There are a spread of Fe–O bond distances ranging from 2.01–2.06 Å. Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 21–28°. There are four shorter (2.03 Å) and two longer (2.08 Å) Ni–O bond lengths. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Fe3+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Fe3+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent La3+ and two Fe3+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+, one Fe3+, and one Ni3+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+, one Fe3+, and one Ni3+ atom. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent La3+, one Fe3+, and one Ni3+ atom. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom. In the eighth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Fe3+ atoms. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Fe3+ atoms. In the tenth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Fe3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on La2FeNiO6 by Materials Project

La2FeNiO6 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.99 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 22–24°. There is four shorter (1.98 Å) and two longer (1.99 Å) Fe–O bond length. Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with six equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 22–24°. There are four shorter (2.02 Å) and two longer (2.04 Å) Ni–O bond lengths. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent La3+, one Fe3+, and one Ni3+ atom. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent La3+, one Fe3+, and one Ni3+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent La3+, one Fe3+, and one Ni3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on La4Fe3NiO12 by Materials Project

La4Fe3NiO12 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.86 Å. In the second La3+ site, La3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.87 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 25–26°. There are four shorter (2.02 Å) and two longer (2.03 Å) Fe–O bond lengths. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent NiO6 octahedra and corners with four equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 24–25°. There are a spread of Fe–O bond distances ranging from 2.00–2.03 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra and corners with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 24–26°. There are four shorter (1.99 Å) and two longer (2.06 Å) Fe–O bond lengths. Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 24–25°. There are two shorter (2.05 Å) and four longer (2.06 Å) Ni–O bond lengths. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Fe3+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two La3+, one Fe3+, and one Ni3+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Fe3+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Fe3+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Fe3+, and one Ni3+ atom.

36 MATERIALS SCIENCE↗