Materials Data on Ba2Sm2Fe4O11 by Materials Project

doi:10.17188/1285754

Title: Materials Data on Ba2Sm2Fe4O11 by Materials Project

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Abstract

Ba2Sm2Fe4O11 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form distorted BaO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, faces with four equivalent FeO6 octahedra, and faces with four equivalent FeO5 trigonal bipyramids. There are a spread of Ba–O bond distances ranging from 2.82–3.22 Å. Sm3+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Sm–O bond distances ranging from 2.56–2.70 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to five O2- atoms to form FeO5 trigonal bipyramids that share corners with three equivalent FeO6 octahedra, corners with two equivalent FeO5 trigonal bipyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–18°. There are a spread of Fe–O bond distances ranging from 1.95–2.04 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with three equivalent FeO6 octahedra, corners with three equivalent FeO5 trigonal bipyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–6°. Theremore »« less

Authors:: The Materials Project

Publication Date:: Mon Aug 03 00:00:00 EDT 2020

Other Number(s):: mp-704632

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; Ba2Sm2Fe4O11; Ba-Fe-O-Sm

OSTI Identifier:: 1285754

DOI:: https://doi.org/10.17188/1285754

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                    The Materials Project. Materials Data on Ba2Sm2Fe4O11 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1285754.

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                    The Materials Project. Materials Data on Ba2Sm2Fe4O11 by Materials Project.  United States.  doi:https://doi.org/10.17188/1285754

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                    The Materials Project. 2020.  
"Materials Data on Ba2Sm2Fe4O11 by Materials Project".  United States.  doi:https://doi.org/10.17188/1285754.  https://www.osti.gov/servlets/purl/1285754. Pub date:Mon Aug 03 00:00:00 EDT 2020

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@article{osti_1285754,

  title        = {Materials Data on Ba2Sm2Fe4O11 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ba2Sm2Fe4O11 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form distorted BaO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, faces with four equivalent FeO6 octahedra, and faces with four equivalent FeO5 trigonal bipyramids. There are a spread of Ba–O bond distances ranging from 2.82–3.22 Å. Sm3+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Sm–O bond distances ranging from 2.56–2.70 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to five O2- atoms to form FeO5 trigonal bipyramids that share corners with three equivalent FeO6 octahedra, corners with two equivalent FeO5 trigonal bipyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–18°. There are a spread of Fe–O bond distances ranging from 1.95–2.04 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with three equivalent FeO6 octahedra, corners with three equivalent FeO5 trigonal bipyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–6°. There are a spread of Fe–O bond distances ranging from 1.94–2.11 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Sm3+, and two Fe3+ atoms. In the second O2- site, O2- is bonded to four equivalent Ba2+ and two Fe3+ atoms to form a mixture of distorted edge and corner-sharing OBa4Fe2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, two equivalent Sm3+, and two equivalent Fe3+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Sm3+, and two equivalent Fe3+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four equivalent Sm3+ and two equivalent Fe3+ atoms.},

  doi          = {10.17188/1285754},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Mon Aug 03 00:00:00 EDT 2020},

  month        = {Mon Aug 03 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1285754

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