Materials Data on Ba4Nb3O12 by Materials Project

doi:10.17188/1302647

Title: Materials Data on Ba4Nb3O12 by Materials Project

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Abstract

Ba4Nb3O12 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are four inequivalent Ba sites. In the first Ba site, Ba is bonded to twelve O atoms to form distorted BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, and faces with seven NbO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.75–3.11 Å. In the second Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.39 Å. In the third Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with six equivalent BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with seven NbO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.77–2.99 Å. In the fourth Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, and faces with five NbO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.96–3.09 Å. There are three inequivalent Nb sites. In the first Nb site, Nbmore »« less

Authors:: The Materials Project

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

Other Number(s):: mp-774719

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; Ba4Nb3O12; Ba-Nb-O

OSTI Identifier:: 1302647

DOI:: https://doi.org/10.17188/1302647

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                    The Materials Project. Materials Data on Ba4Nb3O12 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1302647.

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                    The Materials Project. Materials Data on Ba4Nb3O12 by Materials Project.  United States.  doi:https://doi.org/10.17188/1302647

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                    The Materials Project. 2020.  
"Materials Data on Ba4Nb3O12 by Materials Project".  United States.  doi:https://doi.org/10.17188/1302647.  https://www.osti.gov/servlets/purl/1302647. Pub date:Sun May 03 00:00:00 EDT 2020

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@article{osti_1302647,

  title        = {Materials Data on Ba4Nb3O12 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ba4Nb3O12 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are four inequivalent Ba sites. In the first Ba site, Ba is bonded to twelve O atoms to form distorted BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, and faces with seven NbO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.75–3.11 Å. In the second Ba site, Ba is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.39 Å. In the third Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with six equivalent BaO12 cuboctahedra, faces with six BaO12 cuboctahedra, and faces with seven NbO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.77–2.99 Å. In the fourth Ba site, Ba is bonded to twelve O atoms to form BaO12 cuboctahedra that share corners with twelve BaO12 cuboctahedra, faces with three equivalent BaO12 cuboctahedra, and faces with five NbO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.96–3.09 Å. There are three inequivalent Nb sites. In the first Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with three equivalent NbO6 octahedra and faces with seven BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 5°. There are three shorter (1.89 Å) and three longer (2.26 Å) Nb–O bond lengths. In the second Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with three equivalent NbO6 octahedra and faces with five BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 4°. There are three shorter (1.89 Å) and three longer (2.21 Å) Nb–O bond lengths. In the third Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with six NbO6 octahedra and faces with seven BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 4–5°. All Nb–O bond lengths are 2.03 Å. There are four inequivalent O sites. In the first O site, O is bonded in a distorted linear geometry to four Ba and two Nb atoms. In the second O site, O is bonded in a distorted single-bond geometry to four Ba and one Nb atom. In the third O site, O is bonded in a distorted single-bond geometry to four Ba and one Nb atom. In the fourth O site, O is bonded in a distorted linear geometry to four Ba and two Nb atoms.},

  doi          = {10.17188/1302647},

  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/10.17188/1302647

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