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Title: Materials Data on Na2Ti9O19 by Materials Project

Abstract

Na2Ti9O19 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Na1+ is bonded in a 5-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.22–2.76 Å. There are five 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 1.78–2.32 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 29–41°. There are a spread of Ti–O bond distances ranging from 1.85–2.17 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles are 28°. There are a spread of Ti–O bond distances ranging from 1.86–2.15 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 31–39°. There are a spread of Ti–O bond distances ranging from 1.81–2.31 Å. In the fifthmore » Ti4+ site, Ti4+ is bonded to six O2- atoms to form corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 0–41°. There are a spread of Ti–O bond distances ranging from 1.90–2.04 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three equivalent Na1+ and two Ti4+ atoms. In the second O2- site, O2- is bonded to four Ti4+ atoms to form a mixture of distorted edge and corner-sharing OTi4 trigonal pyramids. In the third O2- site, O2- is bonded in a square co-planar geometry to two equivalent Na1+ and two equivalent Ti4+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms. In the fifth O2- site, O2- is bonded to four Ti4+ atoms to form a mixture of distorted edge and corner-sharing OTi4 trigonal pyramids. In the sixth O2- site, O2- is bonded in a linear geometry to two Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms. In the eighth O2- site, O2- is bonded in a distorted T-shaped geometry to three Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent Na1+ and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms.« less

Authors:
Contributors:
Researcher:
Publication Date:
Other Number(s):
mp-650929
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; Na2Ti9O19; Na-O-Ti
OSTI Identifier:
1281008
DOI:
10.17188/1281008

Citation Formats

Persson, Kristin, and Project, Materials. Materials Data on Na2Ti9O19 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1281008.
Persson, Kristin, & Project, Materials. Materials Data on Na2Ti9O19 by Materials Project. United States. doi:10.17188/1281008.
Persson, Kristin, and Project, Materials. 2020. "Materials Data on Na2Ti9O19 by Materials Project". United States. doi:10.17188/1281008. https://www.osti.gov/servlets/purl/1281008. Pub date:Sat Jul 18 00:00:00 EDT 2020
@article{osti_1281008,
title = {Materials Data on Na2Ti9O19 by Materials Project},
author = {Persson, Kristin and Project, Materials},
abstractNote = {Na2Ti9O19 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Na1+ is bonded in a 5-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.22–2.76 Å. There are five 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 1.78–2.32 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 29–41°. There are a spread of Ti–O bond distances ranging from 1.85–2.17 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles are 28°. There are a spread of Ti–O bond distances ranging from 1.86–2.15 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TiO6 octahedra. The corner-sharing octahedra tilt angles range from 31–39°. There are a spread of Ti–O bond distances ranging from 1.81–2.31 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 0–41°. There are a spread of Ti–O bond distances ranging from 1.90–2.04 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three equivalent Na1+ and two Ti4+ atoms. In the second O2- site, O2- is bonded to four Ti4+ atoms to form a mixture of distorted edge and corner-sharing OTi4 trigonal pyramids. In the third O2- site, O2- is bonded in a square co-planar geometry to two equivalent Na1+ and two equivalent Ti4+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms. In the fifth O2- site, O2- is bonded to four Ti4+ atoms to form a mixture of distorted edge and corner-sharing OTi4 trigonal pyramids. In the sixth O2- site, O2- is bonded in a linear geometry to two Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms. In the eighth O2- site, O2- is bonded in a distorted T-shaped geometry to three Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent Na1+ and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to three Ti4+ atoms.},
doi = {10.17188/1281008},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}

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