DOE Data Explorer title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Materials Data on CeMg6Al by Materials Project

Abstract

Mg6CeAl crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are four inequivalent Mg sites. In the first Mg site, Mg is bonded in a 12-coordinate geometry to eight Mg, two equivalent Ce, and one Al atom. There are a spread of Mg–Mg bond distances ranging from 3.23–3.35 Å. There are one shorter (3.38 Å) and one longer (3.42 Å) Mg–Ce bond lengths. The Mg–Al bond length is 3.33 Å. In the second Mg site, Mg is bonded in a 12-coordinate geometry to eight Mg, two equivalent Ce, and two equivalent Al atoms. There are a spread of Mg–Mg bond distances ranging from 3.17–3.49 Å. Both Mg–Ce bond lengths are 3.30 Å. Both Mg–Al bond lengths are 3.21 Å. In the third Mg site, Mg is bonded to ten Mg and two equivalent Al atoms to form distorted MgMg10Al2 cuboctahedra that share corners with six equivalent MgMg10Al2 cuboctahedra, faces with two equivalent MgMg10Al2 cuboctahedra, and faces with six equivalent CeMg10Al2 cuboctahedra. Both Mg–Mg bond lengths are 3.30 Å. Both Mg–Al bond lengths are 3.29 Å. In the fourth Mg site, Mg is bonded in a 12-coordinate geometry to ten Mg and two equivalent Ce atoms. Both Mg–Cemore » bond lengths are 3.30 Å. Ce is bonded to ten Mg and two equivalent Al atoms to form CeMg10Al2 cuboctahedra that share corners with six equivalent CeMg10Al2 cuboctahedra, faces with two equivalent CeMg10Al2 cuboctahedra, and faces with six equivalent MgMg10Al2 cuboctahedra. Both Ce–Al bond lengths are 3.30 Å. Al is bonded in a 10-coordinate geometry to eight Mg and two equivalent Ce atoms.« less

Authors:
Publication Date:
Other Number(s):
mp-1099111
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; CeMg6Al; Al-Ce-Mg
OSTI Identifier:
1688230
DOI:
https://doi.org/10.17188/1688230

Citation Formats

The Materials Project. Materials Data on CeMg6Al by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1688230.
The Materials Project. Materials Data on CeMg6Al by Materials Project. United States. doi:https://doi.org/10.17188/1688230
The Materials Project. 2020. "Materials Data on CeMg6Al by Materials Project". United States. doi:https://doi.org/10.17188/1688230. https://www.osti.gov/servlets/purl/1688230. Pub date:Sat May 02 00:00:00 EDT 2020
@article{osti_1688230,
title = {Materials Data on CeMg6Al by Materials Project},
author = {The Materials Project},
abstractNote = {Mg6CeAl crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are four inequivalent Mg sites. In the first Mg site, Mg is bonded in a 12-coordinate geometry to eight Mg, two equivalent Ce, and one Al atom. There are a spread of Mg–Mg bond distances ranging from 3.23–3.35 Å. There are one shorter (3.38 Å) and one longer (3.42 Å) Mg–Ce bond lengths. The Mg–Al bond length is 3.33 Å. In the second Mg site, Mg is bonded in a 12-coordinate geometry to eight Mg, two equivalent Ce, and two equivalent Al atoms. There are a spread of Mg–Mg bond distances ranging from 3.17–3.49 Å. Both Mg–Ce bond lengths are 3.30 Å. Both Mg–Al bond lengths are 3.21 Å. In the third Mg site, Mg is bonded to ten Mg and two equivalent Al atoms to form distorted MgMg10Al2 cuboctahedra that share corners with six equivalent MgMg10Al2 cuboctahedra, faces with two equivalent MgMg10Al2 cuboctahedra, and faces with six equivalent CeMg10Al2 cuboctahedra. Both Mg–Mg bond lengths are 3.30 Å. Both Mg–Al bond lengths are 3.29 Å. In the fourth Mg site, Mg is bonded in a 12-coordinate geometry to ten Mg and two equivalent Ce atoms. Both Mg–Ce bond lengths are 3.30 Å. Ce is bonded to ten Mg and two equivalent Al atoms to form CeMg10Al2 cuboctahedra that share corners with six equivalent CeMg10Al2 cuboctahedra, faces with two equivalent CeMg10Al2 cuboctahedra, and faces with six equivalent MgMg10Al2 cuboctahedra. Both Ce–Al bond lengths are 3.30 Å. Al is bonded in a 10-coordinate geometry to eight Mg and two equivalent Ce atoms.},
doi = {10.17188/1688230},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {5}
}