Materials Data on LiFe2F7 by Materials Project

doi:10.17188/1744078

Title: Materials Data on LiFe2F7 by Materials Project

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Abstract

LiFe2F7 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Li1+ is bonded to four F1- atoms to form LiF4 tetrahedra that share corners with four FeF5 trigonal bipyramids. There are a spread of Li–F bond distances ranging from 1.90–1.92 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to five F1- atoms to form FeF5 trigonal bipyramids that share corners with two equivalent LiF4 tetrahedra and corners with three equivalent FeF5 trigonal bipyramids. There are a spread of Fe–F bond distances ranging from 1.84–2.00 Å. In the second Fe3+ site, Fe3+ is bonded to five F1- atoms to form FeF5 trigonal bipyramids that share corners with two equivalent LiF4 tetrahedra and corners with three equivalent FeF5 trigonal bipyramids. There are a spread of Fe–F bond distances ranging from 1.85–2.05 Å. There are seven inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two Fe3+ atoms. In the second F1- site, F1- is bonded in a bent 120 degrees geometry to two Fe3+ atoms. In the third F1- site, F1- is bonded in a distorted bent 120 degrees geometry to one Li1+more »« less

Authors:: The Materials Project

Publication Date:: 2020-05-01

Other Number(s):: mp-1176753

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; LiFe2F7; F-Fe-Li

OSTI Identifier:: 1744078

DOI:: https://doi.org/10.17188/1744078

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                    The Materials Project. Materials Data on LiFe2F7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1744078.

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                    The Materials Project. Materials Data on LiFe2F7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1744078

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                    The Materials Project. 2020.  
"Materials Data on LiFe2F7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1744078.  https://www.osti.gov/servlets/purl/1744078. Pub date:Fri May 01 00:00:00 EDT 2020

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@article{osti_1744078,

  title        = {Materials Data on LiFe2F7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {LiFe2F7 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Li1+ is bonded to four F1- atoms to form LiF4 tetrahedra that share corners with four FeF5 trigonal bipyramids. There are a spread of Li–F bond distances ranging from 1.90–1.92 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to five F1- atoms to form FeF5 trigonal bipyramids that share corners with two equivalent LiF4 tetrahedra and corners with three equivalent FeF5 trigonal bipyramids. There are a spread of Fe–F bond distances ranging from 1.84–2.00 Å. In the second Fe3+ site, Fe3+ is bonded to five F1- atoms to form FeF5 trigonal bipyramids that share corners with two equivalent LiF4 tetrahedra and corners with three equivalent FeF5 trigonal bipyramids. There are a spread of Fe–F bond distances ranging from 1.85–2.05 Å. There are seven inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two Fe3+ atoms. In the second F1- site, F1- is bonded in a bent 120 degrees geometry to two Fe3+ atoms. In the third F1- site, F1- is bonded in a distorted bent 120 degrees geometry to one Li1+ and one Fe3+ atom. In the fourth F1- site, F1- is bonded in a bent 150 degrees geometry to one Li1+ and one Fe3+ atom. In the fifth F1- site, F1- is bonded in a linear geometry to one Li1+ and one Fe3+ atom. In the sixth F1- site, F1- is bonded in a distorted bent 120 degrees geometry to one Li1+ and one Fe3+ atom. In the seventh F1- site, F1- is bonded in a bent 120 degrees geometry to two Fe3+ atoms.},

  doi          = {10.17188/1744078},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1744078

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