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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ba2LaRuO6 by Materials Project

Ba2LaRuO6 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve equivalent O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.35 Å. La3+ is bonded to six equivalent O2- atoms to form LaO6 octahedra that share corners with six equivalent RuO6 octahedra. The corner-sharing octahedral tilt angles are 14°. All La–O bond lengths are 2.36 Å. Ru5+ is bonded to six equivalent O2- atoms to form RuO6 octahedra that share corners with six equivalent LaO6 octahedra. The corner-sharing octahedral tilt angles are 14°. All Ru–O bond lengths are 1.99 Å. O2- is bonded in a 2-coordinate geometry to four equivalent Ba2+, one La3+, and one Ru5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba2LaRuO6 by Materials Project

Ba2LaRuO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ba–O bond distances ranging from 2.79–3.37 Å. La3+ is bonded to six O2- atoms to form LaO6 octahedra that share corners with six equivalent RuO6 octahedra. The corner-sharing octahedra tilt angles range from 12–17°. There are four shorter (2.36 Å) and two longer (2.37 Å) La–O bond lengths. Ru5+ is bonded to six O2- atoms to form RuO6 octahedra that share corners with six equivalent LaO6 octahedra. The corner-sharing octahedra tilt angles range from 12–17°. All Ru–O bond lengths are 1.99 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to four equivalent Ba2+, one La3+, and one Ru5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to four equivalent Ba2+, one La3+, and one Ru5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to four equivalent Ba2+, one La3+, and one Ru5+ atom.

36 MATERIALS SCIENCE↗