Materials Data on CsTa(CuTe2)2 by Materials Project

doi:10.17188/1262480

Title: Materials Data on CsTa(CuTe2)2 by Materials Project

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Abstract

CsTa(CuTe2)2 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Cs1+ is bonded in a 9-coordinate geometry to nine Te2- atoms. There are a spread of Cs–Te bond distances ranging from 3.86–4.30 Å. Ta5+ is bonded to four Te2- atoms to form TaTe4 tetrahedra that share edges with four CuTe4 tetrahedra. There are a spread of Ta–Te bond distances ranging from 2.63–2.67 Å. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Te2- atoms to form CuTe4 tetrahedra that share corners with six CuTe4 tetrahedra and edges with two equivalent TaTe4 tetrahedra. There are a spread of Cu–Te bond distances ranging from 2.62–2.64 Å. In the second Cu1+ site, Cu1+ is bonded to four Te2- atoms to form CuTe4 tetrahedra that share corners with four equivalent CuTe4 tetrahedra and edges with two equivalent TaTe4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Cu–Te bond lengths. There are four inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 5-coordinate geometry to two equivalent Cs1+, one Ta5+, and two Cu1+ atoms. In the second Te2- site, Te2- is bonded in a 3-coordinate geometry to twomore »« less

Authors:: The Materials Project

Publication Date:: Wed Jul 15 00:00:00 EDT 2020

Other Number(s):: mp-505322

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; CsTa(CuTe2)2; Cs-Cu-Ta-Te

OSTI Identifier:: 1262480

DOI:: https://doi.org/10.17188/1262480

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                    The Materials Project. Materials Data on CsTa(CuTe2)2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1262480.

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                    The Materials Project. Materials Data on CsTa(CuTe2)2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1262480

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                    The Materials Project. 2020.  
"Materials Data on CsTa(CuTe2)2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1262480.  https://www.osti.gov/servlets/purl/1262480. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1262480,

  title        = {Materials Data on CsTa(CuTe2)2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {CsTa(CuTe2)2 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Cs1+ is bonded in a 9-coordinate geometry to nine Te2- atoms. There are a spread of Cs–Te bond distances ranging from 3.86–4.30 Å. Ta5+ is bonded to four Te2- atoms to form TaTe4 tetrahedra that share edges with four CuTe4 tetrahedra. There are a spread of Ta–Te bond distances ranging from 2.63–2.67 Å. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Te2- atoms to form CuTe4 tetrahedra that share corners with six CuTe4 tetrahedra and edges with two equivalent TaTe4 tetrahedra. There are a spread of Cu–Te bond distances ranging from 2.62–2.64 Å. In the second Cu1+ site, Cu1+ is bonded to four Te2- atoms to form CuTe4 tetrahedra that share corners with four equivalent CuTe4 tetrahedra and edges with two equivalent TaTe4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Cu–Te bond lengths. There are four inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 5-coordinate geometry to two equivalent Cs1+, one Ta5+, and two Cu1+ atoms. In the second Te2- site, Te2- is bonded in a 3-coordinate geometry to two equivalent Cs1+, one Ta5+, and two Cu1+ atoms. In the third Te2- site, Te2- is bonded in a 5-coordinate geometry to one Cs1+, one Ta5+, and three Cu1+ atoms. In the fourth Te2- site, Te2- is bonded in a 6-coordinate geometry to four equivalent Cs1+, one Ta5+, and one Cu1+ atom.},

  doi          = {10.17188/1262480},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Jul 15 00:00:00 EDT 2020},

  month        = {Wed Jul 15 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1262480

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