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Title: Materials Data on LaTiNbBi2O9 by Materials Project

Abstract

LaTiNbBi2O9 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with four equivalent LaO12 cuboctahedra, faces with four equivalent LaO12 cuboctahedra, faces with four equivalent TiO6 octahedra, and faces with four equivalent NbO6 octahedra. There are eight shorter (2.70 Å) and four longer (2.73 Å) La–O bond lengths. In the second La3+ site, La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with four equivalent LaO12 cuboctahedra, faces with four equivalent LaO12 cuboctahedra, faces with four equivalent TiO6 octahedra, and faces with four equivalent NbO6 octahedra. There are a spread of La–O bond distances ranging from 2.67–2.73 Å. Ti4+ is bonded to six O2- atoms to form distorted TiO6 octahedra that share a cornercorner with one TiO6 octahedra, corners with four equivalent NbO6 octahedra, and faces with four LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–22°. There are a spread of Ti–O bond distances ranging from 1.82–2.22 Å. Nb5+ is bonded to six O2- atoms to form distorted NbO6 octahedra that share a cornercorner with onemore » NbO6 octahedra, corners with four equivalent TiO6 octahedra, and faces with four LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–22°. There are a spread of Nb–O bond distances ranging from 1.89–2.25 Å. There are two inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.30–3.00 Å. In the second 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 2.30–2.98 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to four La3+ and two equivalent Ti4+ atoms to form distorted OLa4Ti2 octahedra that share corners with four equivalent OLa4Ti2 octahedra and edges with four equivalent OLa4Nb2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second O2- site, O2- is bonded in a single-bond geometry to one Ti4+ and four Bi3+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two La3+, one Ti4+, and one Nb5+ atom. In the fourth O2- site, O2- is bonded to four Bi3+ atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fifth O2- site, O2- is bonded to four La3+ and two equivalent Nb5+ atoms to form distorted OLa4Nb2 octahedra that share corners with four equivalent OLa4Nb2 octahedra and edges with four equivalent OLa4Ti2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two La3+, one Ti4+, and one Nb5+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Nb5+ and four Bi3+ atoms.« less

Authors:
Contributors:
Researcher:
Publication Date:
Other Number(s):
mp-636654
DOE Contract Number:  
AC02-05CH11231; EDCBEE
Product Type:
Dataset
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; LaTiNbBi2O9; Bi-La-Nb-O-Ti
OSTI Identifier:
1279597
DOI:
10.17188/1279597

Citation Formats

Persson, Kristin, and Project, Materials. Materials Data on LaTiNbBi2O9 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1279597.
Persson, Kristin, & Project, Materials. Materials Data on LaTiNbBi2O9 by Materials Project. United States. doi:10.17188/1279597.
Persson, Kristin, and Project, Materials. 2020. "Materials Data on LaTiNbBi2O9 by Materials Project". United States. doi:10.17188/1279597. https://www.osti.gov/servlets/purl/1279597. Pub date:Wed Jul 15 00:00:00 EDT 2020
@article{osti_1279597,
title = {Materials Data on LaTiNbBi2O9 by Materials Project},
author = {Persson, Kristin and Project, Materials},
abstractNote = {LaTiNbBi2O9 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with four equivalent LaO12 cuboctahedra, faces with four equivalent LaO12 cuboctahedra, faces with four equivalent TiO6 octahedra, and faces with four equivalent NbO6 octahedra. There are eight shorter (2.70 Å) and four longer (2.73 Å) La–O bond lengths. In the second La3+ site, La3+ is bonded to twelve O2- atoms to form LaO12 cuboctahedra that share corners with four equivalent LaO12 cuboctahedra, faces with four equivalent LaO12 cuboctahedra, faces with four equivalent TiO6 octahedra, and faces with four equivalent NbO6 octahedra. There are a spread of La–O bond distances ranging from 2.67–2.73 Å. Ti4+ is bonded to six O2- atoms to form distorted TiO6 octahedra that share a cornercorner with one TiO6 octahedra, corners with four equivalent NbO6 octahedra, and faces with four LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–22°. There are a spread of Ti–O bond distances ranging from 1.82–2.22 Å. Nb5+ is bonded to six O2- atoms to form distorted NbO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with four equivalent TiO6 octahedra, and faces with four LaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–22°. There are a spread of Nb–O bond distances ranging from 1.89–2.25 Å. There are two inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.30–3.00 Å. In the second 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 2.30–2.98 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to four La3+ and two equivalent Ti4+ atoms to form distorted OLa4Ti2 octahedra that share corners with four equivalent OLa4Ti2 octahedra and edges with four equivalent OLa4Nb2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second O2- site, O2- is bonded in a single-bond geometry to one Ti4+ and four Bi3+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two La3+, one Ti4+, and one Nb5+ atom. In the fourth O2- site, O2- is bonded to four Bi3+ atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. In the fifth O2- site, O2- is bonded to four La3+ and two equivalent Nb5+ atoms to form distorted OLa4Nb2 octahedra that share corners with four equivalent OLa4Nb2 octahedra and edges with four equivalent OLa4Ti2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two La3+, one Ti4+, and one Nb5+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Nb5+ and four Bi3+ atoms.},
doi = {10.17188/1279597},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}

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