Materials Data on La3YFe4(AsO)4 by Materials Project

doi:10.17188/1745848

Title: Materials Data on La3YFe4(AsO)4 by Materials Project

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Abstract

La3YFe4(AsO)4 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 4-coordinate geometry to four equivalent As3- and four O2- atoms. All La–As bond lengths are 3.40 Å. There are two shorter (2.38 Å) and two longer (2.41 Å) La–O bond lengths. In the second La3+ site, La3+ is bonded in a 4-coordinate geometry to four As3- and four O2- atoms. There are two shorter (3.40 Å) and two longer (3.43 Å) La–As bond lengths. There are three shorter (2.38 Å) and one longer (2.39 Å) La–O bond lengths. Y3+ is bonded in a 4-coordinate geometry to four equivalent As3- and four O2- atoms. All Y–As bond lengths are 3.46 Å. There are two shorter (2.25 Å) and two longer (2.28 Å) Y–O bond lengths. There are three inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded to four As3- atoms to form a mixture of edge and corner-sharing FeAs4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Fe–As bond lengths. In the second Fe2+ site, Fe2+ is bonded to four As3- atoms to form a mixturemore »« less

Authors:: The Materials Project

Publication Date:: Sun May 03 00:00:00 EDT 2020

Other Number(s):: mp-1223197

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; La3YFe4(AsO)4; As-Fe-La-O-Y

OSTI Identifier:: 1745848

DOI:: https://doi.org/10.17188/1745848

Citation Formats


                    The Materials Project. Materials Data on La3YFe4(AsO)4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1745848.

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                    The Materials Project. Materials Data on La3YFe4(AsO)4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1745848

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                    The Materials Project. 2020.  
"Materials Data on La3YFe4(AsO)4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1745848.  https://www.osti.gov/servlets/purl/1745848. Pub date:Sun May 03 00:00:00 EDT 2020

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@article{osti_1745848,

  title        = {Materials Data on La3YFe4(AsO)4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {La3YFe4(AsO)4 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 4-coordinate geometry to four equivalent As3- and four O2- atoms. All La–As bond lengths are 3.40 Å. There are two shorter (2.38 Å) and two longer (2.41 Å) La–O bond lengths. In the second La3+ site, La3+ is bonded in a 4-coordinate geometry to four As3- and four O2- atoms. There are two shorter (3.40 Å) and two longer (3.43 Å) La–As bond lengths. There are three shorter (2.38 Å) and one longer (2.39 Å) La–O bond lengths. Y3+ is bonded in a 4-coordinate geometry to four equivalent As3- and four O2- atoms. All Y–As bond lengths are 3.46 Å. There are two shorter (2.25 Å) and two longer (2.28 Å) Y–O bond lengths. There are three inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded to four As3- atoms to form a mixture of edge and corner-sharing FeAs4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Fe–As bond lengths. In the second Fe2+ site, Fe2+ is bonded to four As3- atoms to form a mixture of edge and corner-sharing FeAs4 tetrahedra. There are two shorter (2.60 Å) and two longer (2.63 Å) Fe–As bond lengths. In the third Fe2+ site, Fe2+ is bonded to four As3- atoms to form a mixture of edge and corner-sharing FeAs4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Fe–As bond lengths. There are three inequivalent As3- sites. In the first As3- site, As3- is bonded in a 8-coordinate geometry to four equivalent La3+ and four Fe2+ atoms. In the second As3- site, As3- is bonded in a 8-coordinate geometry to four equivalent La3+ and four Fe2+ atoms. In the third As3- site, As3- is bonded in a 8-coordinate geometry to two equivalent La3+, two equivalent Y3+, and four Fe2+ atoms. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to three La3+ and one Y3+ atom to form OLa3Y tetrahedra that share corners with four equivalent OLa3Y tetrahedra and edges with four OLa2Y2 tetrahedra. In the second O2- site, O2- is bonded to two equivalent La3+ and two equivalent Y3+ atoms to form OLa2Y2 tetrahedra that share corners with four OLa2Y2 tetrahedra and edges with four equivalent OLa3Y tetrahedra. In the third O2- site, O2- is bonded to four La3+ atoms to form OLa4 tetrahedra that share corners with four OLa2Y2 tetrahedra and edges with four equivalent OLa3Y tetrahedra.},

  doi          = {10.17188/1745848},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sun May 03 00:00:00 EDT 2020},

  month        = {Sun May 03 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1745848

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