Materials Data on SrCaI4 by Materials Project

doi:10.17188/1290283

Title: Materials Data on SrCaI4 by Materials Project

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Abstract

SrCaI4 is zeta iron carbide-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded to six I1- atoms to form SrI6 octahedra that share corners with four equivalent SrI6 octahedra, corners with six equivalent CaI6 octahedra, and an edgeedge with one CaI6 octahedra. The corner-sharing octahedra tilt angles range from 46–55°. There are a spread of Sr–I bond distances ranging from 3.30–3.36 Å. Ca2+ is bonded to six I1- atoms to form CaI6 octahedra that share corners with six equivalent SrI6 octahedra, an edgeedge with one SrI6 octahedra, and edges with two equivalent CaI6 octahedra. The corner-sharing octahedra tilt angles range from 48–55°. There are a spread of Ca–I bond distances ranging from 3.14–3.16 Å. There are four inequivalent I1- sites. In the first I1- site, I1- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one Ca2+ atom. In the second I1- site, I1- is bonded in a distorted trigonal planar geometry to one Sr2+ and two equivalent Ca2+ atoms. In the third I1- site, I1- is bonded in a distorted trigonal planar geometry to one Sr2+ and two equivalent Ca2+ atoms. In the fourth I1- site, I1-more »« less

Authors:: The Materials Project

Publication Date:: 2020-05-01

Other Number(s):: mp-755980

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; SrCaI4; Ca-I-Sr

OSTI Identifier:: 1290283

DOI:: https://doi.org/10.17188/1290283

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                    The Materials Project. Materials Data on SrCaI4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1290283.

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                    The Materials Project. Materials Data on SrCaI4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1290283

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                    The Materials Project. 2020.  
"Materials Data on SrCaI4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1290283.  https://www.osti.gov/servlets/purl/1290283. Pub date:Fri May 01 00:00:00 EDT 2020

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@article{osti_1290283,

  title        = {Materials Data on SrCaI4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {SrCaI4 is zeta iron carbide-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded to six I1- atoms to form SrI6 octahedra that share corners with four equivalent SrI6 octahedra, corners with six equivalent CaI6 octahedra, and an edgeedge with one CaI6 octahedra. The corner-sharing octahedra tilt angles range from 46–55°. There are a spread of Sr–I bond distances ranging from 3.30–3.36 Å. Ca2+ is bonded to six I1- atoms to form CaI6 octahedra that share corners with six equivalent SrI6 octahedra, an edgeedge with one SrI6 octahedra, and edges with two equivalent CaI6 octahedra. The corner-sharing octahedra tilt angles range from 48–55°. There are a spread of Ca–I bond distances ranging from 3.14–3.16 Å. There are four inequivalent I1- sites. In the first I1- site, I1- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one Ca2+ atom. In the second I1- site, I1- is bonded in a distorted trigonal planar geometry to one Sr2+ and two equivalent Ca2+ atoms. In the third I1- site, I1- is bonded in a distorted trigonal planar geometry to one Sr2+ and two equivalent Ca2+ atoms. In the fourth I1- site, I1- is bonded in a distorted trigonal planar geometry to two equivalent Sr2+ and one Ca2+ atom.},

  doi          = {10.17188/1290283},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1290283

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