Materials Data on Cs2NaAlF6 by Materials Project

doi:10.17188/1281187

Title: Materials Data on Cs2NaAlF6 by Materials Project

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Abstract

Cs2NaAlF6 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded to twelve F1- atoms to form distorted CsF12 cuboctahedra that share corners with nine CsF12 cuboctahedra, corners with three equivalent AlF6 octahedra, faces with seven CsF12 cuboctahedra, faces with three equivalent AlF6 octahedra, and faces with four equivalent NaF6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 11°. There are a spread of Cs–F bond distances ranging from 3.19–3.39 Å. In the second Cs1+ site, Cs1+ is bonded to twelve F1- atoms to form distorted CsF12 cuboctahedra that share corners with nine CsF12 cuboctahedra, corners with three equivalent NaF6 pentagonal pyramids, faces with seven CsF12 cuboctahedra, faces with four AlF6 octahedra, and faces with three equivalent NaF6 pentagonal pyramids. There are a spread of Cs–F bond distances ranging from 3.12–3.22 Å. Na1+ is bonded to six F1- atoms to form distorted NaF6 pentagonal pyramids that share corners with three equivalent CsF12 cuboctahedra, corners with three equivalent AlF6 octahedra, faces with seven CsF12 cuboctahedra, and a faceface with one AlF6 octahedra. The corner-sharing octahedral tilt angles are 8°. There are three shorter (2.34 Å) andmore »« less

Authors:: The Materials Project

Publication Date:: Fri Jul 17 00:00:00 EDT 2020

Other Number(s):: mp-6528

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; Cs2NaAlF6; Al-Cs-F-Na

OSTI Identifier:: 1281187

DOI:: https://doi.org/10.17188/1281187

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                    The Materials Project. Materials Data on Cs2NaAlF6 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1281187.

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                    The Materials Project. Materials Data on Cs2NaAlF6 by Materials Project.  United States.  doi:https://doi.org/10.17188/1281187

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                    The Materials Project. 2020.  
"Materials Data on Cs2NaAlF6 by Materials Project".  United States.  doi:https://doi.org/10.17188/1281187.  https://www.osti.gov/servlets/purl/1281187. Pub date:Fri Jul 17 00:00:00 EDT 2020

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@article{osti_1281187,

  title        = {Materials Data on Cs2NaAlF6 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Cs2NaAlF6 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded to twelve F1- atoms to form distorted CsF12 cuboctahedra that share corners with nine CsF12 cuboctahedra, corners with three equivalent AlF6 octahedra, faces with seven CsF12 cuboctahedra, faces with three equivalent AlF6 octahedra, and faces with four equivalent NaF6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 11°. There are a spread of Cs–F bond distances ranging from 3.19–3.39 Å. In the second Cs1+ site, Cs1+ is bonded to twelve F1- atoms to form distorted CsF12 cuboctahedra that share corners with nine CsF12 cuboctahedra, corners with three equivalent NaF6 pentagonal pyramids, faces with seven CsF12 cuboctahedra, faces with four AlF6 octahedra, and faces with three equivalent NaF6 pentagonal pyramids. There are a spread of Cs–F bond distances ranging from 3.12–3.22 Å. Na1+ is bonded to six F1- atoms to form distorted NaF6 pentagonal pyramids that share corners with three equivalent CsF12 cuboctahedra, corners with three equivalent AlF6 octahedra, faces with seven CsF12 cuboctahedra, and a faceface with one AlF6 octahedra. The corner-sharing octahedral tilt angles are 8°. There are three shorter (2.34 Å) and three longer (2.39 Å) Na–F bond lengths. There are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six equivalent F1- atoms to form AlF6 octahedra that share corners with six equivalent CsF12 cuboctahedra, faces with six equivalent CsF12 cuboctahedra, and faces with two equivalent NaF6 pentagonal pyramids. All Al–F bond lengths are 1.85 Å. In the second Al3+ site, Al3+ is bonded to six equivalent F1- atoms to form AlF6 octahedra that share corners with six equivalent NaF6 pentagonal pyramids and faces with eight CsF12 cuboctahedra. All Al–F bond lengths are 1.86 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted linear geometry to four Cs1+, one Na1+, and one Al3+ atom. In the second F1- site, F1- is bonded in a 1-coordinate geometry to four Cs1+, one Na1+, and one Al3+ atom.},

  doi          = {10.17188/1281187},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri Jul 17 00:00:00 EDT 2020},

  month        = {Fri Jul 17 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1281187

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