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Title: Materials Data on SrLa2Mn3O9 by Materials Project

Abstract

SrLa2Mn3O9 crystallizes in the trigonal P-3c1 space group. The structure is three-dimensional. Sr2+ is bonded to twelve O2- atoms to form distorted SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra and faces with eight MnO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.55–3.03 Å. La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.46–2.77 Å. There are two inequivalent Mn+3.33+ sites. In the first Mn+3.33+ site, Mn+3.33+ is bonded to six equivalent O2- atoms to form MnO6 octahedra that share corners with six equivalent MnO6 octahedra and faces with two equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 19°. All Mn–O bond lengths are 1.98 Å. In the second Mn+3.33+ site, Mn+3.33+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six MnO6 octahedra and faces with three equivalent SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 14–19°. There is three shorter (1.97 Å) and three longer (2.02 Å) Mn–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to one Sr2+, two equivalentmore » La3+, and two Mn+3.33+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two equivalent Mn+3.33+ atoms.« less

Authors:
Publication Date:
Other Number(s):
mp-1218302
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; SrLa2Mn3O9; La-Mn-O-Sr
OSTI Identifier:
1744538
DOI:
https://doi.org/10.17188/1744538

Citation Formats

The Materials Project. Materials Data on SrLa2Mn3O9 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1744538.
The Materials Project. Materials Data on SrLa2Mn3O9 by Materials Project. United States. doi:https://doi.org/10.17188/1744538
The Materials Project. 2020. "Materials Data on SrLa2Mn3O9 by Materials Project". United States. doi:https://doi.org/10.17188/1744538. https://www.osti.gov/servlets/purl/1744538. Pub date:Thu Apr 30 00:00:00 EDT 2020
@article{osti_1744538,
title = {Materials Data on SrLa2Mn3O9 by Materials Project},
author = {The Materials Project},
abstractNote = {SrLa2Mn3O9 crystallizes in the trigonal P-3c1 space group. The structure is three-dimensional. Sr2+ is bonded to twelve O2- atoms to form distorted SrO12 cuboctahedra that share corners with six equivalent SrO12 cuboctahedra and faces with eight MnO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.55–3.03 Å. La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.46–2.77 Å. There are two inequivalent Mn+3.33+ sites. In the first Mn+3.33+ site, Mn+3.33+ is bonded to six equivalent O2- atoms to form MnO6 octahedra that share corners with six equivalent MnO6 octahedra and faces with two equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 19°. All Mn–O bond lengths are 1.98 Å. In the second Mn+3.33+ site, Mn+3.33+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six MnO6 octahedra and faces with three equivalent SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 14–19°. There is three shorter (1.97 Å) and three longer (2.02 Å) Mn–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to one Sr2+, two equivalent La3+, and two Mn+3.33+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two equivalent Mn+3.33+ atoms.},
doi = {10.17188/1744538},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {4}
}