Materials Data on EuCu9Sn4 by Materials Project

doi:10.17188/1272911

Title: Materials Data on EuCu9Sn4 by Materials Project

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Abstract

EuCu9Sn4 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to sixteen Cu and eight equivalent Sn atoms. There are eight shorter (3.60 Å) and eight longer (3.65 Å) Eu–Cu bond lengths. All Eu–Sn bond lengths are 3.52 Å. There are three inequivalent Cu sites. In the first Cu site, Cu is bonded in a 12-coordinate geometry to two equivalent Eu, six Cu, and four equivalent Sn atoms. There are a spread of Cu–Cu bond distances ranging from 2.54–2.76 Å. There are a spread of Cu–Sn bond distances ranging from 2.60–2.70 Å. In the second Cu site, Cu is bonded in a 12-coordinate geometry to two equivalent Eu, six Cu, and four equivalent Sn atoms. There are a spread of Cu–Cu bond distances ranging from 2.56–2.99 Å. There are two shorter (2.75 Å) and two longer (2.79 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded in a cuboctahedral geometry to eight Cu and four equivalent Sn atoms. All Cu–Sn bond lengths are 2.77 Å. Sn is bonded in a 11-coordinate geometry to two equivalent Eu and nine Cu atoms.

Authors:: The Materials Project

Publication Date:: 2020-08-03

Other Number(s):: mp-568497

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; EuCu9Sn4; Cu-Eu-Sn

OSTI Identifier:: 1272911

DOI:: https://doi.org/10.17188/1272911

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                    The Materials Project. Materials Data on EuCu9Sn4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1272911.

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                    The Materials Project. Materials Data on EuCu9Sn4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1272911

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                    The Materials Project. 2020.  
"Materials Data on EuCu9Sn4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1272911.  https://www.osti.gov/servlets/purl/1272911. Pub date:Mon Aug 03 00:00:00 EDT 2020

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@article{osti_1272911,

  title        = {Materials Data on EuCu9Sn4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {EuCu9Sn4 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to sixteen Cu and eight equivalent Sn atoms. There are eight shorter (3.60 Å) and eight longer (3.65 Å) Eu–Cu bond lengths. All Eu–Sn bond lengths are 3.52 Å. There are three inequivalent Cu sites. In the first Cu site, Cu is bonded in a 12-coordinate geometry to two equivalent Eu, six Cu, and four equivalent Sn atoms. There are a spread of Cu–Cu bond distances ranging from 2.54–2.76 Å. There are a spread of Cu–Sn bond distances ranging from 2.60–2.70 Å. In the second Cu site, Cu is bonded in a 12-coordinate geometry to two equivalent Eu, six Cu, and four equivalent Sn atoms. There are a spread of Cu–Cu bond distances ranging from 2.56–2.99 Å. There are two shorter (2.75 Å) and two longer (2.79 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded in a cuboctahedral geometry to eight Cu and four equivalent Sn atoms. All Cu–Sn bond lengths are 2.77 Å. Sn is bonded in a 11-coordinate geometry to two equivalent Eu and nine Cu atoms.},

  doi          = {10.17188/1272911},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {8}

}

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DOI: https://doi.org/10.17188/1272911

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