Materials Data on K2(NbBr3)3 by Materials Project

doi:10.17188/1205344

Title: Materials Data on K2(NbBr3)3 by Materials Project

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Abstract

K2(NbBr3)3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. K1+ is bonded in a 6-coordinate geometry to six Br1- atoms. There are a spread of K–Br bond distances ranging from 3.25–3.93 Å. There are two inequivalent Nb+2.33+ sites. In the first Nb+2.33+ site, Nb+2.33+ is bonded to five Br1- atoms to form distorted corner-sharing NbBr5 square pyramids. There are a spread of Nb–Br bond distances ranging from 2.61–2.89 Å. In the second Nb+2.33+ site, Nb+2.33+ is bonded to five Br1- atoms to form corner-sharing NbBr5 square pyramids. There are a spread of Nb–Br bond distances ranging from 2.62–2.84 Å. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 2-coordinate geometry to two equivalent K1+ and two equivalent Nb+2.33+ atoms. In the second Br1- site, Br1- is bonded in a trigonal planar geometry to two equivalent K1+ and one Nb+2.33+ atom. In the third Br1- site, Br1- is bonded to three equivalent K1+ and one Nb+2.33+ atom to form a mixture of edge and corner-sharing BrK3Nb tetrahedra. In the fourth Br1- site, Br1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the fifth Br1- site, Br1- ismore »« less

Authors:: The Materials Project

Publication Date:: Sat Jul 18 00:00:00 EDT 2020

Other Number(s):: mp-31012

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; K2(NbBr3)3; Br-K-Nb

OSTI Identifier:: 1205344

DOI:: https://doi.org/10.17188/1205344

Citation Formats


                    The Materials Project. Materials Data on K2(NbBr3)3 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1205344.

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                    The Materials Project. Materials Data on K2(NbBr3)3 by Materials Project.  United States.  doi:https://doi.org/10.17188/1205344

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                    The Materials Project. 2020.  
"Materials Data on K2(NbBr3)3 by Materials Project".  United States.  doi:https://doi.org/10.17188/1205344.  https://www.osti.gov/servlets/purl/1205344. Pub date:Sat Jul 18 00:00:00 EDT 2020

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@article{osti_1205344,

  title        = {Materials Data on K2(NbBr3)3 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {K2(NbBr3)3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. K1+ is bonded in a 6-coordinate geometry to six Br1- atoms. There are a spread of K–Br bond distances ranging from 3.25–3.93 Å. There are two inequivalent Nb+2.33+ sites. In the first Nb+2.33+ site, Nb+2.33+ is bonded to five Br1- atoms to form distorted corner-sharing NbBr5 square pyramids. There are a spread of Nb–Br bond distances ranging from 2.61–2.89 Å. In the second Nb+2.33+ site, Nb+2.33+ is bonded to five Br1- atoms to form corner-sharing NbBr5 square pyramids. There are a spread of Nb–Br bond distances ranging from 2.62–2.84 Å. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 2-coordinate geometry to two equivalent K1+ and two equivalent Nb+2.33+ atoms. In the second Br1- site, Br1- is bonded in a trigonal planar geometry to two equivalent K1+ and one Nb+2.33+ atom. In the third Br1- site, Br1- is bonded to three equivalent K1+ and one Nb+2.33+ atom to form a mixture of edge and corner-sharing BrK3Nb tetrahedra. In the fourth Br1- site, Br1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the fifth Br1- site, Br1- is bonded in a 2-coordinate geometry to two Nb+2.33+ atoms. In the sixth Br1- site, Br1- is bonded in a 3-coordinate geometry to one K1+ and two Nb+2.33+ atoms.},

  doi          = {10.17188/1205344},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sat Jul 18 00:00:00 EDT 2020},

  month        = {Sat Jul 18 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1205344

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