Materials Data on Sm3CuGeSe7 by Materials Project

doi:10.17188/1275590

Title: Materials Data on Sm3CuGeSe7 by Materials Project

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Abstract

Sm3CuGeSe7 crystallizes in the hexagonal P6_3 space group. The structure is three-dimensional. Sm3+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Sm–Se bond distances ranging from 2.93–3.32 Å. Cu1+ is bonded in a trigonal planar geometry to three equivalent Se2- atoms. All Cu–Se bond lengths are 2.39 Å. Ge4+ is bonded in a tetrahedral geometry to four Se2- atoms. There are one shorter (2.36 Å) and three longer (2.40 Å) Ge–Se bond lengths. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 5-coordinate geometry to four equivalent Sm3+ and one Cu1+ atom. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to three equivalent Sm3+ and one Ge4+ atom. In the third Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Sm3+ and one Ge4+ atom.

Authors:: The Materials Project

Publication Date:: 2020-07-23

Other Number(s):: mp-570226

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; Sm3CuGeSe7; Cu-Ge-Se-Sm

OSTI Identifier:: 1275590

DOI:: https://doi.org/10.17188/1275590

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                    The Materials Project. Materials Data on Sm3CuGeSe7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1275590.

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                    The Materials Project. Materials Data on Sm3CuGeSe7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1275590

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                    The Materials Project. 2020.  
"Materials Data on Sm3CuGeSe7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1275590.  https://www.osti.gov/servlets/purl/1275590. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1275590,

  title        = {Materials Data on Sm3CuGeSe7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Sm3CuGeSe7 crystallizes in the hexagonal P6_3 space group. The structure is three-dimensional. Sm3+ is bonded in a 8-coordinate geometry to eight Se2- atoms. There are a spread of Sm–Se bond distances ranging from 2.93–3.32 Å. Cu1+ is bonded in a trigonal planar geometry to three equivalent Se2- atoms. All Cu–Se bond lengths are 2.39 Å. Ge4+ is bonded in a tetrahedral geometry to four Se2- atoms. There are one shorter (2.36 Å) and three longer (2.40 Å) Ge–Se bond lengths. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 5-coordinate geometry to four equivalent Sm3+ and one Cu1+ atom. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to three equivalent Sm3+ and one Ge4+ atom. In the third Se2- site, Se2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Sm3+ and one Ge4+ atom.},

  doi          = {10.17188/1275590},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1275590

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