Materials Data on NaCrAsCO7 by Materials Project

doi:10.17188/1301611

Title: Materials Data on NaCrAsCO7 by Materials Project

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Abstract

NaCrCAsO7 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.22–2.96 Å. Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with four equivalent AsO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.87–2.01 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.23–1.36 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 36–48°. There are a spread of As–O bond distances ranging from 1.71–1.73 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+ and one C4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Cr4+, and one C4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Cr4+, and one C4+ atom. Inmore »« less

Authors:: The Materials Project

Publication Date:: Fri May 01 00:00:00 EDT 2020

Other Number(s):: mp-773138

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; NaCrAsCO7; As-C-Cr-Na-O

OSTI Identifier:: 1301611

DOI:: https://doi.org/10.17188/1301611

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                    The Materials Project. Materials Data on NaCrAsCO7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1301611.

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                    The Materials Project. Materials Data on NaCrAsCO7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1301611

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                    The Materials Project. 2020.  
"Materials Data on NaCrAsCO7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1301611.  https://www.osti.gov/servlets/purl/1301611. Pub date:Fri May 01 00:00:00 EDT 2020

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@article{osti_1301611,

  title        = {Materials Data on NaCrAsCO7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {NaCrCAsO7 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.22–2.96 Å. Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with four equivalent AsO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.87–2.01 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.23–1.36 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 36–48°. There are a spread of As–O bond distances ranging from 1.71–1.73 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Na1+ and one C4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Cr4+, and one C4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Cr4+, and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr4+ and one As5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Cr4+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Cr4+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Cr4+, and one As5+ atom.},

  doi          = {10.17188/1301611},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri May 01 00:00:00 EDT 2020},

  month        = {Fri May 01 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1301611

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