Materials Data on FeAsSe by Materials Project

doi:10.17188/1748636

Title: Materials Data on FeAsSe by Materials Project

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Abstract

FeAs(Se) crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Fe3+ is bonded to three equivalent As1- and three equivalent Se2- atoms to form FeAs3Se3 octahedra that share corners with eight equivalent FeAs3Se3 octahedra, corners with three equivalent AsFe3Se tetrahedra, corners with three equivalent SeFe3As tetrahedra, and edges with two equivalent FeAs3Se3 octahedra. The corner-sharing octahedra tilt angles range from 52–59°. There are a spread of Fe–As bond distances ranging from 2.40–2.43 Å. There are two shorter (2.32 Å) and one longer (2.34 Å) Fe–Se bond lengths. As1- is bonded to three equivalent Fe3+ and one Se2- atom to form distorted AsFe3Se tetrahedra that share corners with three equivalent FeAs3Se3 octahedra, corners with four equivalent AsFe3Se tetrahedra, corners with nine equivalent SeFe3As tetrahedra, and an edgeedge with one AsFe3Se tetrahedra. The corner-sharing octahedra tilt angles range from 68–74°. The As–Se bond length is 2.55 Å. Se2- is bonded to three equivalent Fe3+ and one As1- atom to form distorted SeFe3As tetrahedra that share corners with three equivalent FeAs3Se3 octahedra, corners with four equivalent SeFe3As tetrahedra, corners with nine equivalent AsFe3Se tetrahedra, and an edgeedge with one SeFe3As tetrahedra. The corner-sharing octahedra tilt angles range from 76–79°.

Authors:: The Materials Project

Publication Date:: Sat May 09 00:00:00 EDT 2020

Other Number(s):: mp-1101894

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; FeAsSe; As-Fe-Se

OSTI Identifier:: 1748636

DOI:: https://doi.org/10.17188/1748636

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                    The Materials Project. Materials Data on FeAsSe by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1748636.

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                    The Materials Project. Materials Data on FeAsSe by Materials Project.  United States.  doi:https://doi.org/10.17188/1748636

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                    The Materials Project. 2020.  
"Materials Data on FeAsSe by Materials Project".  United States.  doi:https://doi.org/10.17188/1748636.  https://www.osti.gov/servlets/purl/1748636. Pub date:Sat May 09 00:00:00 EDT 2020

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@article{osti_1748636,

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

  author       = {The Materials Project},

  abstractNote = {FeAs(Se) crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Fe3+ is bonded to three equivalent As1- and three equivalent Se2- atoms to form FeAs3Se3 octahedra that share corners with eight equivalent FeAs3Se3 octahedra, corners with three equivalent AsFe3Se tetrahedra, corners with three equivalent SeFe3As tetrahedra, and edges with two equivalent FeAs3Se3 octahedra. The corner-sharing octahedra tilt angles range from 52–59°. There are a spread of Fe–As bond distances ranging from 2.40–2.43 Å. There are two shorter (2.32 Å) and one longer (2.34 Å) Fe–Se bond lengths. As1- is bonded to three equivalent Fe3+ and one Se2- atom to form distorted AsFe3Se tetrahedra that share corners with three equivalent FeAs3Se3 octahedra, corners with four equivalent AsFe3Se tetrahedra, corners with nine equivalent SeFe3As tetrahedra, and an edgeedge with one AsFe3Se tetrahedra. The corner-sharing octahedra tilt angles range from 68–74°. The As–Se bond length is 2.55 Å. Se2- is bonded to three equivalent Fe3+ and one As1- atom to form distorted SeFe3As tetrahedra that share corners with three equivalent FeAs3Se3 octahedra, corners with four equivalent SeFe3As tetrahedra, corners with nine equivalent AsFe3Se tetrahedra, and an edgeedge with one SeFe3As tetrahedra. The corner-sharing octahedra tilt angles range from 76–79°.},

  doi          = {10.17188/1748636},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sat May 09 00:00:00 EDT 2020},

  month        = {Sat May 09 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1748636

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