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Title: Materials Data on Rb3NaBe2F8 by Materials Project

Abstract

Rb3NaBe2F8 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten F1- atoms. There are a spread of Rb–F bond distances ranging from 2.73–3.14 Å. In the second Rb1+ site, Rb1+ is bonded to twelve F1- atoms to form RbF12 cuboctahedra that share edges with six equivalent RbF12 cuboctahedra, edges with six equivalent BeF4 tetrahedra, and faces with two equivalent NaF6 octahedra. There are six shorter (3.06 Å) and six longer (3.39 Å) Rb–F bond lengths. Na1+ is bonded to six equivalent F1- atoms to form NaF6 octahedra that share corners with six equivalent BeF4 tetrahedra and faces with two equivalent RbF12 cuboctahedra. All Na–F bond lengths are 2.35 Å. Be2+ is bonded to four F1- atoms to form BeF4 tetrahedra that share corners with three equivalent NaF6 octahedra and edges with three equivalent RbF12 cuboctahedra. The corner-sharing octahedral tilt angles are 15°. There is one shorter (1.53 Å) and three longer (1.59 Å) Be–F bond length. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a 1-coordinate geometry to four Rb1+, onemore » Na1+, and one Be2+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to four Rb1+ and one Be2+ atom.« less

Authors:
Publication Date:
Other Number(s):
mp-13630
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; Rb3NaBe2F8; Be-F-Na-Rb
OSTI Identifier:
1189695
DOI:
https://doi.org/10.17188/1189695

Citation Formats

The Materials Project. Materials Data on Rb3NaBe2F8 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1189695.
The Materials Project. Materials Data on Rb3NaBe2F8 by Materials Project. United States. doi:https://doi.org/10.17188/1189695
The Materials Project. 2020. "Materials Data on Rb3NaBe2F8 by Materials Project". United States. doi:https://doi.org/10.17188/1189695. https://www.osti.gov/servlets/purl/1189695. Pub date:Tue Jul 14 00:00:00 EDT 2020
@article{osti_1189695,
title = {Materials Data on Rb3NaBe2F8 by Materials Project},
author = {The Materials Project},
abstractNote = {Rb3NaBe2F8 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten F1- atoms. There are a spread of Rb–F bond distances ranging from 2.73–3.14 Å. In the second Rb1+ site, Rb1+ is bonded to twelve F1- atoms to form RbF12 cuboctahedra that share edges with six equivalent RbF12 cuboctahedra, edges with six equivalent BeF4 tetrahedra, and faces with two equivalent NaF6 octahedra. There are six shorter (3.06 Å) and six longer (3.39 Å) Rb–F bond lengths. Na1+ is bonded to six equivalent F1- atoms to form NaF6 octahedra that share corners with six equivalent BeF4 tetrahedra and faces with two equivalent RbF12 cuboctahedra. All Na–F bond lengths are 2.35 Å. Be2+ is bonded to four F1- atoms to form BeF4 tetrahedra that share corners with three equivalent NaF6 octahedra and edges with three equivalent RbF12 cuboctahedra. The corner-sharing octahedral tilt angles are 15°. There is one shorter (1.53 Å) and three longer (1.59 Å) Be–F bond length. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a 1-coordinate geometry to four Rb1+, one Na1+, and one Be2+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to four Rb1+ and one Be2+ atom.},
doi = {10.17188/1189695},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 14 00:00:00 EDT 2020},
month = {Tue Jul 14 00:00:00 EDT 2020}
}