Materials Data on NaCrF6 by Materials Project

doi:10.17188/1280612

Title: Materials Data on NaCrF6 by Materials Project

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Abstract

NaCrF6 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Na1+ is bonded to seven F1- atoms to form distorted NaF7 pentagonal bipyramids that share corners with five equivalent CrF6 octahedra, an edgeedge with one CrF6 octahedra, and edges with two equivalent NaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 20–39°. There are a spread of Na–F bond distances ranging from 2.34–2.55 Å. Cr5+ is bonded to six F1- atoms to form CrF6 octahedra that share corners with five equivalent NaF7 pentagonal bipyramids and an edgeedge with one NaF7 pentagonal bipyramid. There are a spread of Cr–F bond distances ranging from 1.75–1.84 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one Cr5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Cr5+ atom. In the third F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one Cr5+ atom. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one Cr5+ atom.

Authors:: The Materials Project

Publication Date:: Thu Jul 23 00:00:00 EDT 2020

Other Number(s):: mp-646192

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; NaCrF6; Cr-F-Na

OSTI Identifier:: 1280612

DOI:: https://doi.org/10.17188/1280612

Citation Formats


                    The Materials Project. Materials Data on NaCrF6 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1280612.

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                    The Materials Project. Materials Data on NaCrF6 by Materials Project.  United States.  doi:https://doi.org/10.17188/1280612

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                    The Materials Project. 2020.  
"Materials Data on NaCrF6 by Materials Project".  United States.  doi:https://doi.org/10.17188/1280612.  https://www.osti.gov/servlets/purl/1280612. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1280612,

  title        = {Materials Data on NaCrF6 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {NaCrF6 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Na1+ is bonded to seven F1- atoms to form distorted NaF7 pentagonal bipyramids that share corners with five equivalent CrF6 octahedra, an edgeedge with one CrF6 octahedra, and edges with two equivalent NaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 20–39°. There are a spread of Na–F bond distances ranging from 2.34–2.55 Å. Cr5+ is bonded to six F1- atoms to form CrF6 octahedra that share corners with five equivalent NaF7 pentagonal bipyramids and an edgeedge with one NaF7 pentagonal bipyramid. There are a spread of Cr–F bond distances ranging from 1.75–1.84 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one Cr5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Cr5+ atom. In the third F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one Cr5+ atom. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one Cr5+ atom.},

  doi          = {10.17188/1280612},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jul 23 00:00:00 EDT 2020},

  month        = {Thu Jul 23 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1280612

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