Materials Data on KNa4Cl5 by Materials Project

doi:10.17188/1729945

Title: Materials Data on KNa4Cl5 by Materials Project

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Abstract

KNa4Cl5 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. K1+ is bonded to six Cl1- atoms to form KCl6 octahedra that share corners with six NaCl6 octahedra, edges with two equivalent KCl6 octahedra, and edges with ten NaCl6 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. There are two shorter (3.05 Å) and four longer (3.06 Å) K–Cl bond lengths. There are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six Cl1- atoms to form NaCl6 octahedra that share a cornercorner with one KCl6 octahedra, corners with five NaCl6 octahedra, edges with two equivalent KCl6 octahedra, and edges with ten NaCl6 octahedra. The corner-sharing octahedra tilt angles range from 0–7°. There are a spread of Na–Cl bond distances ranging from 2.80–2.94 Å. In the second Na1+ site, Na1+ is bonded to six Cl1- atoms to form NaCl6 octahedra that share corners with two equivalent KCl6 octahedra, corners with four NaCl6 octahedra, edges with three equivalent KCl6 octahedra, and edges with nine NaCl6 octahedra. The corner-sharing octahedra tilt angles range from 0–7°. There are a spread of Na–Cl bond distances ranging from 2.80–2.97 Å. There are three inequivalentmore »« less

Authors:: The Materials Project

Publication Date:: 2020-05-02

Other Number(s):: mp-1223378

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; KNa4Cl5; Cl-K-Na

OSTI Identifier:: 1729945

DOI:: https://doi.org/10.17188/1729945

Citation Formats


                    The Materials Project. Materials Data on KNa4Cl5 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1729945.

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                    The Materials Project. Materials Data on KNa4Cl5 by Materials Project.  United States.  doi:https://doi.org/10.17188/1729945

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                    The Materials Project. 2020.  
"Materials Data on KNa4Cl5 by Materials Project".  United States.  doi:https://doi.org/10.17188/1729945.  https://www.osti.gov/servlets/purl/1729945. Pub date:Sat May 02 00:00:00 EDT 2020

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@article{osti_1729945,

  title        = {Materials Data on KNa4Cl5 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {KNa4Cl5 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. K1+ is bonded to six Cl1- atoms to form KCl6 octahedra that share corners with six NaCl6 octahedra, edges with two equivalent KCl6 octahedra, and edges with ten NaCl6 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. There are two shorter (3.05 Å) and four longer (3.06 Å) K–Cl bond lengths. There are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six Cl1- atoms to form NaCl6 octahedra that share a cornercorner with one KCl6 octahedra, corners with five NaCl6 octahedra, edges with two equivalent KCl6 octahedra, and edges with ten NaCl6 octahedra. The corner-sharing octahedra tilt angles range from 0–7°. There are a spread of Na–Cl bond distances ranging from 2.80–2.94 Å. In the second Na1+ site, Na1+ is bonded to six Cl1- atoms to form NaCl6 octahedra that share corners with two equivalent KCl6 octahedra, corners with four NaCl6 octahedra, edges with three equivalent KCl6 octahedra, and edges with nine NaCl6 octahedra. The corner-sharing octahedra tilt angles range from 0–7°. There are a spread of Na–Cl bond distances ranging from 2.80–2.97 Å. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded to one K1+ and five Na1+ atoms to form a mixture of edge and corner-sharing ClKNa5 octahedra. The corner-sharing octahedra tilt angles range from 0–3°. In the second Cl1- site, Cl1- is bonded to two equivalent K1+ and four Na1+ atoms to form a mixture of edge and corner-sharing ClK2Na4 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the third Cl1- site, Cl1- is bonded to six Na1+ atoms to form a mixture of edge and corner-sharing ClNa6 octahedra. The corner-sharing octahedra tilt angles range from 2–4°.},

  doi          = {10.17188/1729945},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1729945

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