Materials Data on Ba2Sr7I18 by Materials Project

doi:10.17188/1288763

Title: Materials Data on Ba2Sr7I18 by Materials Project

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Abstract

Ba2Sr7I18 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ba2+ is bonded in a 7-coordinate geometry to seven I1- atoms. There are a spread of Ba–I bond distances ranging from 3.49–4.12 Å. There are four inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 51–65°. There are a spread of Sr–I bond distances ranging from 3.23–3.48 Å. In the second Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 62–66°. There are four shorter (3.29 Å) and two longer (3.39 Å) Sr–I bond lengths. In the third Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 51–64°. There are a spread of Sr–I bond distances ranging from 3.25–3.44 Å. In the fourth Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 53–66°. Theremore »« less

Authors:: The Materials Project

Publication Date:: 2020-07-15

Other Number(s):: mp-752682

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; Ba2Sr7I18; Ba-I-Sr

OSTI Identifier:: 1288763

DOI:: https://doi.org/10.17188/1288763

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                    The Materials Project. Materials Data on Ba2Sr7I18 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1288763.

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                    The Materials Project. Materials Data on Ba2Sr7I18 by Materials Project.  United States.  doi:https://doi.org/10.17188/1288763

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                    The Materials Project. 2020.  
"Materials Data on Ba2Sr7I18 by Materials Project".  United States.  doi:https://doi.org/10.17188/1288763.  https://www.osti.gov/servlets/purl/1288763. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1288763,

  title        = {Materials Data on Ba2Sr7I18 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ba2Sr7I18 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ba2+ is bonded in a 7-coordinate geometry to seven I1- atoms. There are a spread of Ba–I bond distances ranging from 3.49–4.12 Å. There are four inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 51–65°. There are a spread of Sr–I bond distances ranging from 3.23–3.48 Å. In the second Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 62–66°. There are four shorter (3.29 Å) and two longer (3.39 Å) Sr–I bond lengths. In the third Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 51–64°. There are a spread of Sr–I bond distances ranging from 3.25–3.44 Å. In the fourth Sr2+ site, Sr2+ is bonded to six I1- atoms to form a mixture of corner and edge-sharing SrI6 octahedra. The corner-sharing octahedra tilt angles range from 53–66°. There are a spread of Sr–I bond distances ranging from 3.22–3.42 Å. There are nine inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to one Ba2+ and two Sr2+ atoms. In the second I1- site, I1- is bonded in a distorted trigonal non-coplanar geometry to one Ba2+ and two Sr2+ atoms. In the third I1- site, I1- is bonded in a distorted trigonal non-coplanar geometry to one Ba2+ and two Sr2+ atoms. In the fourth I1- site, I1- is bonded in a distorted trigonal non-coplanar geometry to three Sr2+ atoms. In the fifth I1- site, I1- is bonded in a 3-coordinate geometry to three Sr2+ atoms. In the sixth I1- site, I1- is bonded in a 3-coordinate geometry to one Ba2+ and two Sr2+ atoms. In the seventh I1- site, I1- is bonded in an L-shaped geometry to two Sr2+ atoms. In the eighth I1- site, I1- is bonded in a 3-coordinate geometry to one Ba2+ and three Sr2+ atoms. In the ninth I1- site, I1- is bonded to two equivalent Ba2+ and two Sr2+ atoms to form a mixture of distorted corner and edge-sharing IBa2Sr2 trigonal pyramids.},

  doi          = {10.17188/1288763},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1288763

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