Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “NaLa2Ti2MnO9”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

Materials Data on NaLa2Ti2MnO9 by Materials Project

NaLa2Ti2MnO9 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Na1+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.46–2.90 Å. There are three 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 2.43–2.80 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 2.43–2.79 Å. In the third 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 2.41–2.84 Å. There are two inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 16–22°. There are a spread of Ti–O bond distances ranging from 1.91–2.03 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 16–22°. There are a spread of Ti–O bond distances ranging from 1.94–2.02 Å. Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 16–22°. There are a spread of Mn–O bond distances ranging from 1.99–2.02 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to three La3+, one Ti4+, and one Mn3+ atom. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two equivalent Mn3+ atoms. In the third O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+, two equivalent La3+, one Ti4+, and one Mn3+ atom. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two equivalent Mn3+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two equivalent Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, two equivalent La3+, and two equivalent Ti4+ atoms. In the eighth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+, two La3+, and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+, two La3+, one Ti4+, and one Mn3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NaLa2Ti2MnO9 by Materials Project

NaLa2Ti2MnO9 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 12-coordinate geometry to eleven O2- atoms. There are a spread of Na–O bond distances ranging from 2.46–2.99 Å. In the second Na1+ site, Na1+ is bonded in a 12-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.41–2.61 Å. There are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 12-coordinate geometry to five O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.55 Å. In the second La3+ site, La3+ is bonded in a 11-coordinate geometry to five O2- atoms. There are a spread of La–O bond distances ranging from 2.40–2.56 Å. In the third La3+ site, La3+ is bonded in a 12-coordinate geometry to five O2- atoms. There are a spread of La–O bond distances ranging from 2.44–2.56 Å. In the fourth 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 2.40–2.82 Å. There are four inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 14–25°. There are a spread of Ti–O bond distances ranging from 1.94–2.00 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 16–25°. There are a spread of Ti–O bond distances ranging from 1.93–2.01 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 16–25°. There are a spread of Ti–O bond distances ranging from 1.96–2.00 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 16–24°. There are a spread of Ti–O bond distances ranging from 1.96–2.01 Å. There are two inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 17–23°. There are a spread of Mn–O bond distances ranging from 1.99–2.04 Å. In the second Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 14–25°. There are a spread of Mn–O bond distances ranging from 2.00–2.04 Å. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to one La3+ and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+, one Ti4+, and one Mn3+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, one La3+, and two Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Mn3+ atoms. In the tenth O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+ and two Ti4+ atoms. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one La3+, one Ti4+, and one Mn3+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Mn3+ atoms. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+, one Ti4+, and one Mn3+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one La3+, and two Ti4+ atoms. In the fifteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Ti4+, and one Mn3+ atom. In the sixteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one La3+, one Ti4+, and one Mn3+ atom. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Mn3+ atoms. In the eighteenth O2- site, O2- is bonded in a 5-coordinate geometry to one La3+, one Ti4+, and one Mn3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NaLa2Ti2MnO9 by Materials Project

NaLa2Ti2MnO9 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Na–O bond distances ranging from 2.46–2.97 Å. In the second Na1+ site, Na1+ is bonded in a 12-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.81 Å. There are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 12-coordinate geometry to five O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.55 Å. In the second La3+ site, La3+ is bonded in a 11-coordinate geometry to five O2- atoms. There are a spread of La–O bond distances ranging from 2.40–2.56 Å. In the third La3+ site, La3+ is bonded in a 12-coordinate geometry to five O2- atoms. There are a spread of La–O bond distances ranging from 2.45–2.52 Å. In the fourth 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 2.41–2.81 Å. There are four inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 15–24°. There are a spread of Ti–O bond distances ranging from 1.94–2.00 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 17–25°. There are a spread of Ti–O bond distances ranging from 1.91–2.03 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 14–25°. There are a spread of Ti–O bond distances ranging from 1.96–2.00 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 14–24°. There are a spread of Ti–O bond distances ranging from 1.94–2.02 Å. There are two inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 17–24°. There are three shorter (2.00 Å) and three longer (2.03 Å) Mn–O bond lengths. In the second Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with three equivalent TiO6 octahedra and corners with three equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 15–24°. There are a spread of Mn–O bond distances ranging from 2.00–2.03 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+, one Ti4+, and one Mn3+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one La3+, and two Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two Mn3+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and two Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one La3+, one Ti4+, and one Mn3+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Mn3+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Ti4+, and one Mn3+ atom. In the twelfth O2- site, O2- is bonded in a 5-coordinate geometry to one La3+, one Ti4+, and one Mn3+ atom.

36 MATERIALS SCIENCE↗