Materials Data on Na2SrLa2Ti5O15 by Materials Project
Na2SrLa2Ti5O15 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Na–O bond distances ranging from 2.53–3.05 Å. In the second Na1+ site, Na1+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Na–O bond distances ranging from 2.49–3.04 Å. In the third Na1+ site, Na1+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Na–O bond distances ranging from 2.50–3.02 Å. In the fourth Na1+ site, Na1+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Na–O bond distances ranging from 2.52–3.04 Å. There are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form distorted SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, and faces with eight TiO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.58–2.99 Å. In the second Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form distorted SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, and faces with eight TiO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.58–3.07 Å. There are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 12-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.44–2.85 Å. In the second La3+ site, La3+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of La–O bond distances ranging from 2.45–3.06 Å. In the third La3+ site, La3+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of La–O bond distances ranging from 2.48–3.08 Å. In the fourth 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 2.43–2.81 Å. There are ten inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 14–19°. There are a spread of Ti–O bond distances ranging from 1.93–2.03 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six TiO6 octahedra and faces with four SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 10–15°. There are a spread of Ti–O bond distances ranging from 1.93–2.03 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six TiO6 octahedra and faces with four SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 10–17°. There are a spread of Ti–O bond distances ranging from 1.94–1.99 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 11–20°. There are a spread of Ti–O bond distances ranging from 1.92–2.02 Å. In the fifth Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 13–20°. There are a spread of Ti–O bond distances ranging from 1.93–2.02 Å. In the sixth Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 11–20°. There are a spread of Ti–O bond distances ranging from 1.92–2.03 Å. In the seventh Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 13–20°. There are a spread of Ti–O bond distances ranging from 1.94–2.00 Å. In the eighth Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 14–19°. There are a spread of Ti–O bond distances ranging from 1.94–2.01 Å. In the ninth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six TiO6 octahedra and faces with four SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 10–16°. There are a spread of Ti–O bond distances ranging from 1.94–2.03 Å. In the tenth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six TiO6 octahedra and faces with four SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 10–17°. There are a spread of Ti–O bond distances ranging from 1.94–2.00 Å. There are thirty inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Ti4+ atoms. In the third O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, two equivalent La3+, and two Ti4+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, two equivalent La3+, and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the eleventh O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, one La3+, and two Ti4+ atoms. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the thirteenth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, two equivalent La3+, and two Ti4+ atoms. In the sixteenth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, one La3+, and two Ti4+ atoms. In the seventeenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the nineteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the twentieth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the twenty-first O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two Ti4+ atoms. In the twenty-second O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Na1+, two equivalent La3+, and two Ti4+ atoms. In the twenty-third O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, two equivalent La3+, and two Ti4+ atoms. In the twenty-seventh O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms. In the twenty-eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, two Sr2+, one La3+, and two Ti4+ atoms. In the twenty-ninth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, two equivalent La3+, and two Ti4+ atoms. In the thirtieth O2- site, O2- is bonded in a 5-coordinate geometry to two Na1+, two La3+, and two Ti4+ atoms.