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Title: Materials Data on Na5OsO6 by Materials Project

Abstract

Na5OsO6 is High Pressure (4-7GPa) Tellurium-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent OsO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 18–22°. There are a spread of Na–O bond distances ranging from 2.35–2.41 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two equivalent OsO6 octahedra, corners with four equivalent NaO6 octahedra, edges with two equivalent OsO6 octahedra, and edges with ten NaO6 octahedra. The corner-sharing octahedra tilt angles range from 1–22°. There are a spread of Na–O bond distances ranging from 2.35–2.61 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with two equivalent OsO6 octahedra, corners with four equivalent NaO6 octahedra, edges with two equivalent OsO6 octahedra, and edges with ten NaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–18°. There are four shorter (2.31 Å)more » and two longer (2.80 Å) Na–O bond lengths. Os7+ is bonded to six O2- atoms to form OsO6 octahedra that share corners with six NaO6 octahedra and edges with twelve NaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. There is two shorter (1.90 Å) and four longer (1.94 Å) Os–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to five Na1+ and one Os7+ atom. In the second O2- site, O2- is bonded to five Na1+ and one Os7+ atom to form a mixture of distorted corner and edge-sharing ONa5Os octahedra. The corner-sharing octahedra tilt angles range from 0–17°.« less

Publication Date:
Other Number(s):
mp-20067
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; Na5OsO6; Na-O-Os
OSTI Identifier:
1195225
DOI:
https://doi.org/10.17188/1195225

Citation Formats

The Materials Project. Materials Data on Na5OsO6 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1195225.
The Materials Project. Materials Data on Na5OsO6 by Materials Project. United States. doi:https://doi.org/10.17188/1195225
The Materials Project. 2020. "Materials Data on Na5OsO6 by Materials Project". United States. doi:https://doi.org/10.17188/1195225. https://www.osti.gov/servlets/purl/1195225. Pub date:Wed Jul 15 00:00:00 EDT 2020
@article{osti_1195225,
title = {Materials Data on Na5OsO6 by Materials Project},
author = {The Materials Project},
abstractNote = {Na5OsO6 is High Pressure (4-7GPa) Tellurium-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent OsO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 18–22°. There are a spread of Na–O bond distances ranging from 2.35–2.41 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two equivalent OsO6 octahedra, corners with four equivalent NaO6 octahedra, edges with two equivalent OsO6 octahedra, and edges with ten NaO6 octahedra. The corner-sharing octahedra tilt angles range from 1–22°. There are a spread of Na–O bond distances ranging from 2.35–2.61 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with two equivalent OsO6 octahedra, corners with four equivalent NaO6 octahedra, edges with two equivalent OsO6 octahedra, and edges with ten NaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–18°. There are four shorter (2.31 Å) and two longer (2.80 Å) Na–O bond lengths. Os7+ is bonded to six O2- atoms to form OsO6 octahedra that share corners with six NaO6 octahedra and edges with twelve NaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. There is two shorter (1.90 Å) and four longer (1.94 Å) Os–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to five Na1+ and one Os7+ atom. In the second O2- site, O2- is bonded to five Na1+ and one Os7+ atom to form a mixture of distorted corner and edge-sharing ONa5Os octahedra. The corner-sharing octahedra tilt angles range from 0–17°.},
doi = {10.17188/1195225},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}