Materials Data on Ba2Ta6Te2O21 by Materials Project

doi:10.17188/1278218

Title: Materials Data on Ba2Ta6Te2O21 by Materials Project

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Abstract

Ba2Ta6Te2O21 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ba2+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.22 Å. There are three inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–13°. There are a spread of Ta–O bond distances ranging from 1.94–2.05 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 10–13°. There are a spread of Ta–O bond distances ranging from 1.88–2.20 Å. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 7–13°. There are a spread of Ta–O bond distances ranging from 1.89–2.19 Å. Te4+ is bonded in a distorted T-shaped geometry to three O2- atoms. There is one shorter (1.90 Å) and two longer (1.92 Å) Te–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in amore »« less

Authors:: The Materials Project

Publication Date:: 2020-07-23

Other Number(s):: mp-6238

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; Ba2Ta6Te2O21; Ba-O-Ta-Te

OSTI Identifier:: 1278218

DOI:: https://doi.org/10.17188/1278218

Citation Formats


                    The Materials Project. Materials Data on Ba2Ta6Te2O21 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1278218.

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                    The Materials Project. Materials Data on Ba2Ta6Te2O21 by Materials Project.  United States.  doi:https://doi.org/10.17188/1278218

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                    The Materials Project. 2020.  
"Materials Data on Ba2Ta6Te2O21 by Materials Project".  United States.  doi:https://doi.org/10.17188/1278218.  https://www.osti.gov/servlets/purl/1278218. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1278218,

  title        = {Materials Data on Ba2Ta6Te2O21 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ba2Ta6Te2O21 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ba2+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.22 Å. There are three inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–13°. There are a spread of Ta–O bond distances ranging from 1.94–2.05 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 10–13°. There are a spread of Ta–O bond distances ranging from 1.88–2.20 Å. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 7–13°. There are a spread of Ta–O bond distances ranging from 1.89–2.19 Å. Te4+ is bonded in a distorted T-shaped geometry to three O2- atoms. There is one shorter (1.90 Å) and two longer (1.92 Å) Te–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Ta5+, and one Te4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Ta5+, and one Te4+ atom. In the third O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one Ba2+ and two Ta5+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two equivalent Ta5+ atoms. In the sixth O2- site, O2- is bonded in a linear geometry to one Ba2+ and two Ta5+ atoms. In the seventh O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+ and two equivalent Ta5+ atoms.},

  doi          = {10.17188/1278218},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1278218

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