Materials Data on Na2CoAsCO7 by Materials Project

doi:10.17188/1301402

Title: Materials Data on Na2CoAsCO7 by Materials Project

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Abstract

Na2CoCAsO7 crystallizes in the monoclinic P2_1/m 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 2.26–2.84 Å. Co3+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four equivalent AsO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.96–2.16 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.25–1.33 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 45–57°. There are a spread of As–O bond distances ranging from 1.71–1.75 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+, one Co3+, and one C4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one Co3+, and onemore »« less

Authors:: The Materials Project

Publication Date:: Wed Jul 15 00:00:00 EDT 2020

Other Number(s):: mp-772664

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; Na2CoAsCO7; As-C-Co-Na-O

OSTI Identifier:: 1301402

DOI:: https://doi.org/10.17188/1301402

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                    The Materials Project. Materials Data on Na2CoAsCO7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1301402.

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                    The Materials Project. Materials Data on Na2CoAsCO7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1301402

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                    The Materials Project. 2020.  
"Materials Data on Na2CoAsCO7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1301402.  https://www.osti.gov/servlets/purl/1301402. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1301402,

  title        = {Materials Data on Na2CoAsCO7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Na2CoCAsO7 crystallizes in the monoclinic P2_1/m 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 2.26–2.84 Å. Co3+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four equivalent AsO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.96–2.16 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.25–1.33 Å. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 45–57°. There are a spread of As–O bond distances ranging from 1.71–1.75 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+, one Co3+, and one C4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one Co3+, and one C4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Co3+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two equivalent Na1+, one Co3+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Na1+, one Co3+, and one As5+ atom.},

  doi          = {10.17188/1301402},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Jul 15 00:00:00 EDT 2020},

  month        = {Wed Jul 15 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1301402

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