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Title: Materials Data on Na2TbO3 by Materials Project

Abstract

Na2TbO3 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/c 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 NaO6 octahedra that share corners with six NaO6 octahedra, edges with six NaO6 octahedra, and edges with six TbO6 octahedra. The corner-sharing octahedra tilt angles range from 9–10°. There are four shorter (2.50 Å) and two longer (2.53 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four TbO6 octahedra, edges with four TbO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 9–10°. There are a spread of Na–O bond distances ranging from 2.43–2.63 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four TbO6 octahedra, edges with four TbO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 8–9°. There are a spread of Na–O bond distances ranging from 2.39–2.60 Å. There aremore » two inequivalent Tb4+ sites. In the first Tb4+ site, Tb4+ is bonded to six O2- atoms to form TbO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent TbO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 8–10°. There are two shorter (2.28 Å) and four longer (2.29 Å) Tb–O bond lengths. In the second Tb4+ site, Tb4+ is bonded to six O2- atoms to form TbO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent TbO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 8–10°. There are four shorter (2.28 Å) and two longer (2.29 Å) Tb–O bond lengths. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four Na1+ and two Tb4+ atoms to form a mixture of edge and corner-sharing ONa4Tb2 octahedra. The corner-sharing octahedra tilt angles range from 0–10°. In the second O2- site, O2- is bonded to four Na1+ and two Tb4+ atoms to form a mixture of edge and corner-sharing ONa4Tb2 octahedra. The corner-sharing octahedra tilt angles range from 0–8°. In the third O2- site, O2- is bonded to four Na1+ and two Tb4+ atoms to form a mixture of edge and corner-sharing ONa4Tb2 octahedra. The corner-sharing octahedra tilt angles range from 0–10°.« less

Authors:
Publication Date:
Other Number(s):
mp-28430
DOE Contract Number:  
AC02-05CH11231; EDCBEE
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)
Collaborations:
MIT; UC Berkeley; Duke; U Louvain
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; Na2TbO3; Na-O-Tb
OSTI Identifier:
1202542
DOI:
https://doi.org/10.17188/1202542

Citation Formats

The Materials Project. Materials Data on Na2TbO3 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1202542.
The Materials Project. Materials Data on Na2TbO3 by Materials Project. United States. doi:https://doi.org/10.17188/1202542
The Materials Project. 2020. "Materials Data on Na2TbO3 by Materials Project". United States. doi:https://doi.org/10.17188/1202542. https://www.osti.gov/servlets/purl/1202542. Pub date:Wed Jul 15 00:00:00 EDT 2020
@article{osti_1202542,
title = {Materials Data on Na2TbO3 by Materials Project},
author = {The Materials Project},
abstractNote = {Na2TbO3 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/c 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 NaO6 octahedra that share corners with six NaO6 octahedra, edges with six NaO6 octahedra, and edges with six TbO6 octahedra. The corner-sharing octahedra tilt angles range from 9–10°. There are four shorter (2.50 Å) and two longer (2.53 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four TbO6 octahedra, edges with four TbO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 9–10°. There are a spread of Na–O bond distances ranging from 2.43–2.63 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with four TbO6 octahedra, edges with four TbO6 octahedra, and edges with eight NaO6 octahedra. The corner-sharing octahedra tilt angles range from 8–9°. There are a spread of Na–O bond distances ranging from 2.39–2.60 Å. There are two inequivalent Tb4+ sites. In the first Tb4+ site, Tb4+ is bonded to six O2- atoms to form TbO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent TbO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 8–10°. There are two shorter (2.28 Å) and four longer (2.29 Å) Tb–O bond lengths. In the second Tb4+ site, Tb4+ is bonded to six O2- atoms to form TbO6 octahedra that share corners with six NaO6 octahedra, edges with three equivalent TbO6 octahedra, and edges with nine NaO6 octahedra. The corner-sharing octahedra tilt angles range from 8–10°. There are four shorter (2.28 Å) and two longer (2.29 Å) Tb–O bond lengths. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four Na1+ and two Tb4+ atoms to form a mixture of edge and corner-sharing ONa4Tb2 octahedra. The corner-sharing octahedra tilt angles range from 0–10°. In the second O2- site, O2- is bonded to four Na1+ and two Tb4+ atoms to form a mixture of edge and corner-sharing ONa4Tb2 octahedra. The corner-sharing octahedra tilt angles range from 0–8°. In the third O2- site, O2- is bonded to four Na1+ and two Tb4+ atoms to form a mixture of edge and corner-sharing ONa4Tb2 octahedra. The corner-sharing octahedra tilt angles range from 0–10°.},
doi = {10.17188/1202542},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}