Materials Data on EuAl8SiAu4 by Materials Project

doi:10.17188/1753654

Title: Materials Data on EuAl8SiAu4 by Materials Project

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Abstract

EuAu4Al8Si crystallizes in the tetragonal P4mm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to four equivalent Au, eight Al, and four equivalent Si atoms. All Eu–Au bond lengths are 3.33 Å. There are four shorter (3.42 Å) and four longer (3.52 Å) Eu–Al bond lengths. All Eu–Si bond lengths are 3.23 Å. There are four inequivalent Au sites. In the first Au site, Au is bonded in a body-centered cubic geometry to eight Al atoms. All Au–Al bond lengths are 2.62 Å. In the second Au site, Au is bonded in a body-centered cubic geometry to eight Al atoms. There are four shorter (2.61 Å) and four longer (2.65 Å) Au–Al bond lengths. In the third Au site, Au is bonded in a body-centered cubic geometry to eight Al atoms. There are four shorter (2.59 Å) and four longer (2.64 Å) Au–Al bond lengths. In the fourth Au site, Au is bonded in a 9-coordinate geometry to four equivalent Eu, four equivalent Al, and one Si atom. All Au–Al bond lengths are 2.58 Å. The Au–Si bond length is 2.47 Å. There are four inequivalent Al sites. In the first Al site, Al ismore »« less

Authors:: The Materials Project

Publication Date:: 2020-05-04

Other Number(s):: mp-1225219

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; EuAl8SiAu4; Al-Au-Eu-Si

OSTI Identifier:: 1753654

DOI:: https://doi.org/10.17188/1753654

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                    The Materials Project. Materials Data on EuAl8SiAu4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1753654.

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                    The Materials Project. Materials Data on EuAl8SiAu4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1753654

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                    The Materials Project. 2020.  
"Materials Data on EuAl8SiAu4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1753654.  https://www.osti.gov/servlets/purl/1753654. Pub date:Mon May 04 00:00:00 EDT 2020

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@article{osti_1753654,

  title        = {Materials Data on EuAl8SiAu4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {EuAu4Al8Si crystallizes in the tetragonal P4mm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to four equivalent Au, eight Al, and four equivalent Si atoms. All Eu–Au bond lengths are 3.33 Å. There are four shorter (3.42 Å) and four longer (3.52 Å) Eu–Al bond lengths. All Eu–Si bond lengths are 3.23 Å. There are four inequivalent Au sites. In the first Au site, Au is bonded in a body-centered cubic geometry to eight Al atoms. All Au–Al bond lengths are 2.62 Å. In the second Au site, Au is bonded in a body-centered cubic geometry to eight Al atoms. There are four shorter (2.61 Å) and four longer (2.65 Å) Au–Al bond lengths. In the third Au site, Au is bonded in a body-centered cubic geometry to eight Al atoms. There are four shorter (2.59 Å) and four longer (2.64 Å) Au–Al bond lengths. In the fourth Au site, Au is bonded in a 9-coordinate geometry to four equivalent Eu, four equivalent Al, and one Si atom. All Au–Al bond lengths are 2.58 Å. The Au–Si bond length is 2.47 Å. There are four inequivalent Al sites. In the first Al site, Al is bonded to two equivalent Eu and four Au atoms to form a mixture of face, edge, and corner-sharing AlEu2Au4 tetrahedra. In the second Al site, Al is bonded to two equivalent Eu, two equivalent Au, and two equivalent Si atoms to form distorted AlEu2Si2Au2 tetrahedra that share corners with fourteen AlEu2Au4 tetrahedra, edges with four AlEu2Au4 tetrahedra, and faces with four equivalent AlEu2Si2Au2 tetrahedra. Both Al–Si bond lengths are 2.65 Å. In the third Al site, Al is bonded to four Au atoms to form a mixture of edge and corner-sharing AlAu4 tetrahedra. In the fourth Al site, Al is bonded to four Au atoms to form a mixture of edge and corner-sharing AlAu4 tetrahedra. Si is bonded in a 1-coordinate geometry to four equivalent Eu, one Au, and four equivalent Al atoms.},

  doi          = {10.17188/1753654},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1753654

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