Materials Data on Ta(Si5W2)2 by Materials Project

doi:10.17188/1752884

Title: Materials Data on Ta(Si5W2)2 by Materials Project

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Abstract

Ta(W2Si5)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ta5+ is bonded in a distorted q6 geometry to ten Si+1.60- atoms. There are eight shorter (2.67 Å) and two longer (2.69 Å) Ta–Si bond lengths. There are two inequivalent W+2.75+ sites. In the first W+2.75+ site, W+2.75+ is bonded in a distorted q6 geometry to ten Si+1.60- atoms. There are five shorter (2.63 Å) and five longer (2.65 Å) W–Si bond lengths. In the second W+2.75+ site, W+2.75+ is bonded in a distorted q6 geometry to ten Si+1.60- atoms. There are eight shorter (2.64 Å) and two longer (2.65 Å) W–Si bond lengths. There are five inequivalent Si+1.60- sites. In the first Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to four equivalent Ta5+, one W+2.75+, and five Si+1.60- atoms. There are four shorter (2.64 Å) and one longer (2.74 Å) Si–Si bond lengths. In the second Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to five W+2.75+ and five Si+1.60- atoms. There are one shorter (2.62 Å) and four longer (2.65 Å) Si–Si bond lengths. In the third Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to five equivalent W+2.75+ and five Si+1.60-more »« less

Authors:: The Materials Project

Publication Date:: 2020-05-03

Other Number(s):: mp-1217773

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; Ta(Si5W2)2; Si-Ta-W

OSTI Identifier:: 1752884

DOI:: https://doi.org/10.17188/1752884

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                    The Materials Project. Materials Data on Ta(Si5W2)2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1752884.

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                    The Materials Project. Materials Data on Ta(Si5W2)2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1752884

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                    The Materials Project. 2020.  
"Materials Data on Ta(Si5W2)2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1752884.  https://www.osti.gov/servlets/purl/1752884. Pub date:Sun May 03 00:00:00 EDT 2020

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@article{osti_1752884,

  title        = {Materials Data on Ta(Si5W2)2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ta(W2Si5)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ta5+ is bonded in a distorted q6 geometry to ten Si+1.60- atoms. There are eight shorter (2.67 Å) and two longer (2.69 Å) Ta–Si bond lengths. There are two inequivalent W+2.75+ sites. In the first W+2.75+ site, W+2.75+ is bonded in a distorted q6 geometry to ten Si+1.60- atoms. There are five shorter (2.63 Å) and five longer (2.65 Å) W–Si bond lengths. In the second W+2.75+ site, W+2.75+ is bonded in a distorted q6 geometry to ten Si+1.60- atoms. There are eight shorter (2.64 Å) and two longer (2.65 Å) W–Si bond lengths. There are five inequivalent Si+1.60- sites. In the first Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to four equivalent Ta5+, one W+2.75+, and five Si+1.60- atoms. There are four shorter (2.64 Å) and one longer (2.74 Å) Si–Si bond lengths. In the second Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to five W+2.75+ and five Si+1.60- atoms. There are one shorter (2.62 Å) and four longer (2.65 Å) Si–Si bond lengths. In the third Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to five equivalent W+2.75+ and five Si+1.60- atoms. There are one shorter (2.62 Å) and four longer (2.66 Å) Si–Si bond lengths. In the fourth Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to five W+2.75+ and five Si+1.60- atoms. In the fifth Si+1.60- site, Si+1.60- is bonded in a 10-coordinate geometry to one Ta5+, four equivalent W+2.75+, and five Si+1.60- atoms.},

  doi          = {10.17188/1752884},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1752884

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