Materials Data on Ta2Se8Br by Materials Project

doi:10.17188/1727132

Title: Materials Data on Ta2Se8Br by Materials Project

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Abstract

Ta2Se8Br crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent Ta+4.50+ sites. In the first Ta+4.50+ site, Ta+4.50+ is bonded to eight Se1- atoms to form face-sharing TaSe8 hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.57–2.80 Å. In the second Ta+4.50+ site, Ta+4.50+ is bonded to seven Se1- and one Br1- atom to form distorted face-sharing TaSe7Br hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.61–2.74 Å. The Ta–Br bond length is 2.66 Å. In the third Ta+4.50+ site, Ta+4.50+ is bonded to eight Se1- atoms to form face-sharing TaSe8 hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.59–2.77 Å. In the fourth Ta+4.50+ site, Ta+4.50+ is bonded to eight Se1- atoms to form face-sharing TaSe8 hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.60–2.74 Å. There are sixteen inequivalent Se1- sites. In the first Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the second Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the third Se1- site, Se1- is bonded in a 2-coordinate geometry tomore »« less

Authors:: The Materials Project

Publication Date:: Wed Apr 29 00:00:00 EDT 2020

Other Number(s):: mp-1218308

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; Ta2Se8Br; Br-Se-Ta

OSTI Identifier:: 1727132

DOI:: https://doi.org/10.17188/1727132

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                    The Materials Project. Materials Data on Ta2Se8Br by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1727132.

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                    The Materials Project. Materials Data on Ta2Se8Br by Materials Project.  United States.  doi:https://doi.org/10.17188/1727132

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                    The Materials Project. 2020.  
"Materials Data on Ta2Se8Br by Materials Project".  United States.  doi:https://doi.org/10.17188/1727132.  https://www.osti.gov/servlets/purl/1727132. Pub date:Wed Apr 29 00:00:00 EDT 2020

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@article{osti_1727132,

  title        = {Materials Data on Ta2Se8Br by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ta2Se8Br crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent Ta+4.50+ sites. In the first Ta+4.50+ site, Ta+4.50+ is bonded to eight Se1- atoms to form face-sharing TaSe8 hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.57–2.80 Å. In the second Ta+4.50+ site, Ta+4.50+ is bonded to seven Se1- and one Br1- atom to form distorted face-sharing TaSe7Br hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.61–2.74 Å. The Ta–Br bond length is 2.66 Å. In the third Ta+4.50+ site, Ta+4.50+ is bonded to eight Se1- atoms to form face-sharing TaSe8 hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.59–2.77 Å. In the fourth Ta+4.50+ site, Ta+4.50+ is bonded to eight Se1- atoms to form face-sharing TaSe8 hexagonal bipyramids. There are a spread of Ta–Se bond distances ranging from 2.60–2.74 Å. There are sixteen inequivalent Se1- sites. In the first Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the second Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the third Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the fourth Se1- site, Se1- is bonded in a 1-coordinate geometry to one Ta+4.50+ atom. In the fifth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ and one Se1- atom. The Se–Se bond length is 2.39 Å. In the sixth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ and one Se1- atom. The Se–Se bond length is 2.40 Å. In the seventh Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the eighth Se1- site, Se1- is bonded in a 1-coordinate geometry to two Ta+4.50+, one Se1-, and one Br1- atom. The Se–Br bond length is 3.16 Å. In the ninth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the tenth Se1- site, Se1- is bonded in a 3-coordinate geometry to two Ta+4.50+ and one Br1- atom. The Se–Br bond length is 3.12 Å. In the eleventh Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+, one Se1-, and one Br1- atom. The Se–Se bond length is 2.41 Å. The Se–Br bond length is 3.10 Å. In the twelfth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the thirteenth Se1- site, Se1- is bonded in a 1-coordinate geometry to two Ta+4.50+, one Se1-, and one Br1- atom. The Se–Br bond length is 3.13 Å. In the fourteenth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ and one Se1- atom. In the fifteenth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. In the sixteenth Se1- site, Se1- is bonded in a 2-coordinate geometry to two Ta+4.50+ atoms. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to one Ta+4.50+ atom. In the second Br1- site, Br1- is bonded in a 4-coordinate geometry to four Se1- atoms.},

  doi          = {10.17188/1727132},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Apr 29 00:00:00 EDT 2020},

  month        = {Wed Apr 29 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1727132

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