Materials Data on La4Ti3O12 by Materials Project

Abstract

La4Ti3O12 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 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.33–2.71 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 2.35–2.65 Å. There are three 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 26–27°. There are a spread of Ti–O bond distances ranging from 2.00–2.02 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles are 27°. There are a spread of Ti–O bond distances ranging from 1.91–2.10 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles are 26°. There are a spread of Ti–O bond distances ranging from 1.88–2.11 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Ti4+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two La3+ and two Ti4+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three La3+ and one Ti4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two La3+ and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three La3+ and one Ti4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two La3+ and one Ti4+ atom.