Materials Data on Ba6Na2V2Sb2O17 by Materials Project

doi:10.17188/1666862

Title: Materials Data on Ba6Na2V2Sb2O17 by Materials Project

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Abstract

Na2Ba6V2Sb2O17 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with three equivalent SbO6 octahedra, corners with three equivalent VO4 tetrahedra, and a faceface with one BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 7°. There are three shorter (2.27 Å) and three longer (2.42 Å) Na–O bond lengths. There are four inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to nine O2- atoms. There are three shorter (2.92 Å) and six longer (3.01 Å) Ba–O bond lengths. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Ba–O bond lengths are 2.87 Å. In the third Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.64–3.06 Å. In the fourth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with six equivalent BaO12 cuboctahedra, faces with two equivalent NaO6 octahedra, and faces with six equivalent SbO6 octahedra. There are six shorter (3.01 Å) and six longermore »« less

Authors:: The Materials Project

Publication Date:: 2020-04-30

Other Number(s):: mp-1214658

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; Ba6Na2V2Sb2O17; Ba-Na-O-Sb-V

OSTI Identifier:: 1666862

DOI:: https://doi.org/10.17188/1666862

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                    The Materials Project. Materials Data on Ba6Na2V2Sb2O17 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1666862.

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                    The Materials Project. Materials Data on Ba6Na2V2Sb2O17 by Materials Project.  United States.  doi:https://doi.org/10.17188/1666862

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                    The Materials Project. 2020.  
"Materials Data on Ba6Na2V2Sb2O17 by Materials Project".  United States.  doi:https://doi.org/10.17188/1666862.  https://www.osti.gov/servlets/purl/1666862. Pub date:Thu Apr 30 00:00:00 EDT 2020

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@article{osti_1666862,

  title        = {Materials Data on Ba6Na2V2Sb2O17 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Na2Ba6V2Sb2O17 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with three equivalent SbO6 octahedra, corners with three equivalent VO4 tetrahedra, and a faceface with one BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 7°. There are three shorter (2.27 Å) and three longer (2.42 Å) Na–O bond lengths. There are four inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a distorted q6 geometry to nine O2- atoms. There are three shorter (2.92 Å) and six longer (3.01 Å) Ba–O bond lengths. In the second Ba2+ site, Ba2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Ba–O bond lengths are 2.87 Å. In the third Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.64–3.06 Å. In the fourth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with six equivalent BaO12 cuboctahedra, faces with two equivalent NaO6 octahedra, and faces with six equivalent SbO6 octahedra. There are six shorter (3.01 Å) and six longer (3.03 Å) Ba–O bond lengths. V5+ is bonded to four O2- atoms to form VO4 tetrahedra that share corners with three equivalent NaO6 octahedra. The corner-sharing octahedral tilt angles are 20°. There is one shorter (1.73 Å) and three longer (1.75 Å) V–O bond length. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with three equivalent NaO6 octahedra, faces with three equivalent BaO12 cuboctahedra, and a faceface with one SbO6 octahedra. The corner-sharing octahedral tilt angles are 7°. There are three shorter (1.94 Å) and three longer (2.12 Å) Sb–O bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ and two equivalent Sb5+ atoms to form a mixture of distorted corner and face-sharing OBa4Sb2 octahedra. The corner-sharing octahedra tilt angles range from 7–60°. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, three Ba2+, and one V5+ atom. In the third O2- site, O2- is bonded in a distorted linear geometry to one Ba2+ and one V5+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one Na1+, four Ba2+, and one Sb5+ atom.},

  doi          = {10.17188/1666862},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {4}

}

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DOI: https://doi.org/10.17188/1666862

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