Materials Data on Ti3Fe(BiO3)5 by Materials Project

Abstract

Bi5Ti3FeO15 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are three inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ti–O bond distances ranging from 1.78–2.38 Å. In the second Ti4+ site, Ti4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ti–O bond distances ranging from 1.77–2.44 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with five equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 25–33°. There are a spread of Ti–O bond distances ranging from 1.88–2.10 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with five equivalent TiO6 octahedra. The corner-sharing octahedra tilt angles range from 25–33°. There are a spread of Fe–O bond distances ranging from 1.97–2.13 Å. There are five inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.22–2.62 Å. In the second Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.22–2.60 Å. In the third Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.31–2.55 Å. In the fourth Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.28–2.56 Å. In the fifth Bi3+ site, Bi3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.36–2.71 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Ti4+ and one Bi3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Ti4+ and one Bi3+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Ti4+ and two Bi3+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Ti4+ and two Bi3+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Ti4+, one Fe3+, and two Bi3+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Ti4+, one Fe3+, and two Bi3+ atoms. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Ti4+ and two Bi3+ atoms. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Ti4+ and two Bi3+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to one Ti4+, one Fe3+, and two equivalent Bi3+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to one Ti4+, one Fe3+, and two equivalent Bi3+ atoms. In the eleventh O2- site, O2- is bonded to one Ti4+, one Fe3+, and two equivalent Bi3+ atoms to form distorted corner-sharing OTiFeBi2 tetrahedra. In the twelfth O2- site, O2- is bonded in a distorted see-saw-like geometry to one Ti4+, one Fe3+, and two Bi3+ atoms. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Ti4+ and two Bi3+ atoms. In the fourteenth O2- site, O2- is bonded to four Bi3+ atoms to form a mixture of edge and corner-sharing OBi4 tetrahedra. In the fifteenth O2- site, O2- is bonded to four Bi3+ atoms to form a mixture of edge and corner-sharing OBi4 tetrahedra.