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Title: Materials Data on Pb7(BrF6)2 by Materials Project

Abstract

Pb7F12Br2 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Pb–Br bond lengths are 3.28 Å. There are a spread of Pb–F bond distances ranging from 2.44–3.08 Å. In the second Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Pb–Br bond lengths are 3.35 Å. There are a spread of Pb–F bond distances ranging from 2.46–2.78 Å. In the third Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are three shorter (2.51 Å) and six longer (2.78 Å) Pb–F bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to six equivalent Pb2+ and twelve F1- atoms. There are a spread of Br–F bond distances ranging from 3.50–3.61 Å. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to six equivalent Pb2+ and nine F1- atoms. There are six shorter (3.43 Å) and three longer (3.53 Å) Br–F bond lengths. There aremore » four inequivalent F1- sites. In the first F1- site, F1- is bonded to four Pb2+ and three Br1- atoms to form a mixture of distorted corner, edge, and face-sharing FPb4Br3 tetrahedra. In the second F1- site, F1- is bonded in a 3-coordinate geometry to five Pb2+ atoms. In the third F1- site, F1- is bonded to four Pb2+ and three Br1- atoms to form a mixture of distorted corner, edge, and face-sharing FPb4Br3 tetrahedra. In the fourth F1- site, F1- is bonded to four Pb2+ and one Br1- atom to form a mixture of corner, edge, and face-sharing FPb4Br tetrahedra.« less

Publication Date:
Other Number(s):
mp-29927
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; Pb7(BrF6)2; Br-F-Pb
OSTI Identifier:
1204348
DOI:
https://doi.org/10.17188/1204348

Citation Formats

The Materials Project. Materials Data on Pb7(BrF6)2 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1204348.
The Materials Project. Materials Data on Pb7(BrF6)2 by Materials Project. United States. doi:https://doi.org/10.17188/1204348
The Materials Project. 2020. "Materials Data on Pb7(BrF6)2 by Materials Project". United States. doi:https://doi.org/10.17188/1204348. https://www.osti.gov/servlets/purl/1204348. Pub date:Wed Jul 15 00:00:00 EDT 2020
@article{osti_1204348,
title = {Materials Data on Pb7(BrF6)2 by Materials Project},
author = {The Materials Project},
abstractNote = {Pb7F12Br2 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Pb–Br bond lengths are 3.28 Å. There are a spread of Pb–F bond distances ranging from 2.44–3.08 Å. In the second Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to two equivalent Br1- and seven F1- atoms. Both Pb–Br bond lengths are 3.35 Å. There are a spread of Pb–F bond distances ranging from 2.46–2.78 Å. In the third Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine F1- atoms. There are three shorter (2.51 Å) and six longer (2.78 Å) Pb–F bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to six equivalent Pb2+ and twelve F1- atoms. There are a spread of Br–F bond distances ranging from 3.50–3.61 Å. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to six equivalent Pb2+ and nine F1- atoms. There are six shorter (3.43 Å) and three longer (3.53 Å) Br–F bond lengths. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded to four Pb2+ and three Br1- atoms to form a mixture of distorted corner, edge, and face-sharing FPb4Br3 tetrahedra. In the second F1- site, F1- is bonded in a 3-coordinate geometry to five Pb2+ atoms. In the third F1- site, F1- is bonded to four Pb2+ and three Br1- atoms to form a mixture of distorted corner, edge, and face-sharing FPb4Br3 tetrahedra. In the fourth F1- site, F1- is bonded to four Pb2+ and one Br1- atom to form a mixture of corner, edge, and face-sharing FPb4Br tetrahedra.},
doi = {10.17188/1204348},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}