Materials Data on Ba3Nb6(Si2O13)2 by Materials Project

doi:10.17188/1277669

Title: Materials Data on Ba3Nb6(Si2O13)2 by Materials Project

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Abstract

Ba3Nb6Si4O26 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ba–O bond distances ranging from 2.92–3.19 Å. Nb5+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four equivalent NbO6 octahedra and corners with two equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 4–31°. There are a spread of Nb–O bond distances ranging from 1.95–2.08 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three equivalent NbO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 31°. There is one shorter (1.62 Å) and three longer (1.64 Å) Si–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent Ba2+ and two equivalent Nb5+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ba2+, one Nb5+, and one Si4+ atom. In the third O2- site, O2- is bonded in a linear geometry to two equivalent Si4+ atoms. In the fourthmore »« less

Authors:: The Materials Project

Publication Date:: Wed Jul 22 00:00:00 EDT 2020

Other Number(s):: mp-6101

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; Ba3Nb6(Si2O13)2; Ba-Nb-O-Si

OSTI Identifier:: 1277669

DOI:: https://doi.org/10.17188/1277669

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                    The Materials Project. Materials Data on Ba3Nb6(Si2O13)2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1277669.

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                    The Materials Project. Materials Data on Ba3Nb6(Si2O13)2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1277669

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                    The Materials Project. 2020.  
"Materials Data on Ba3Nb6(Si2O13)2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1277669.  https://www.osti.gov/servlets/purl/1277669. Pub date:Wed Jul 22 00:00:00 EDT 2020

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@article{osti_1277669,

  title        = {Materials Data on Ba3Nb6(Si2O13)2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ba3Nb6Si4O26 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ba–O bond distances ranging from 2.92–3.19 Å. Nb5+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four equivalent NbO6 octahedra and corners with two equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 4–31°. There are a spread of Nb–O bond distances ranging from 1.95–2.08 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three equivalent NbO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 31°. There is one shorter (1.62 Å) and three longer (1.64 Å) Si–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent Ba2+ and two equivalent Nb5+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ba2+, one Nb5+, and one Si4+ atom. In the third O2- site, O2- is bonded in a linear geometry to two equivalent Si4+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Nb5+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ba2+ and two equivalent Nb5+ atoms.},

  doi          = {10.17188/1277669},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Jul 22 00:00:00 EDT 2020},

  month        = {Wed Jul 22 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1277669

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