Materials Data on K2Rb4Fe2O5 by Materials Project

doi:10.17188/1749232

Title: Materials Data on K2Rb4Fe2O5 by Materials Project

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Abstract

Rb4K2Fe2O5 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Rb–O bond distances ranging from 2.87–3.17 Å. In the second Rb1+ site, Rb1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Rb–O bond distances ranging from 3.06–3.23 Å. K1+ is bonded to four equivalent O2- atoms to form distorted edge-sharing KO4 tetrahedra. There are two shorter (2.66 Å) and two longer (2.75 Å) K–O bond lengths. Fe2+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.90 Å) and one longer (1.95 Å) Fe–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 7-coordinate geometry to four Rb1+, two equivalent K1+, and one Fe2+ atom. In the second O2- site, O2- is bonded in a distorted octahedral geometry to four Rb1+ and two equivalent Fe2+ atoms.

Authors:: The Materials Project

Publication Date:: 2020-05-09

Other Number(s):: mp-1211726

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; K2Rb4Fe2O5; Fe-K-O-Rb

OSTI Identifier:: 1749232

DOI:: https://doi.org/10.17188/1749232

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                    The Materials Project. Materials Data on K2Rb4Fe2O5 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1749232.

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                    The Materials Project. Materials Data on K2Rb4Fe2O5 by Materials Project.  United States.  doi:https://doi.org/10.17188/1749232

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                    The Materials Project. 2020.  
"Materials Data on K2Rb4Fe2O5 by Materials Project".  United States.  doi:https://doi.org/10.17188/1749232.  https://www.osti.gov/servlets/purl/1749232. Pub date:Sat May 09 00:00:00 EDT 2020

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@article{osti_1749232,

  title        = {Materials Data on K2Rb4Fe2O5 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Rb4K2Fe2O5 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Rb–O bond distances ranging from 2.87–3.17 Å. In the second Rb1+ site, Rb1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Rb–O bond distances ranging from 3.06–3.23 Å. K1+ is bonded to four equivalent O2- atoms to form distorted edge-sharing KO4 tetrahedra. There are two shorter (2.66 Å) and two longer (2.75 Å) K–O bond lengths. Fe2+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.90 Å) and one longer (1.95 Å) Fe–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 7-coordinate geometry to four Rb1+, two equivalent K1+, and one Fe2+ atom. In the second O2- site, O2- is bonded in a distorted octahedral geometry to four Rb1+ and two equivalent Fe2+ atoms.},

  doi          = {10.17188/1749232},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1749232

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