Materials Data on Mg6TiCrO8 by Materials Project

doi:10.17188/1710049

Title: Materials Data on Mg6TiCrO8 by Materials Project

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Abstract

Mg6TiCrO8 is alpha Po-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. there are three inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent TiO6 octahedra, corners with four equivalent MgO6 octahedra, and edges with twelve MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.13 Å) and two longer (2.18 Å) Mg–O bond lengths. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent CrO6 octahedra, corners with four equivalent MgO6 octahedra, and edges with twelve MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.08 Å) and four longer (2.13 Å) Mg–O bond lengths. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six equivalent MgO6 octahedra, edges with two equivalent TiO6 octahedra, edges with two equivalent CrO6 octahedra, and edges with eight MgO6 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Mg–O bond distances ranging from 2.13–2.27 Å. Ti2+more »« less

Authors:: The Materials Project

Publication Date:: Fri Jun 05 00:00:00 EDT 2020

Other Number(s):: mp-1031428

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; Mg6TiCrO8; Cr-Mg-O-Ti

OSTI Identifier:: 1710049

DOI:: https://doi.org/10.17188/1710049

Citation Formats


                    The Materials Project. Materials Data on Mg6TiCrO8 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1710049.

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                    The Materials Project. Materials Data on Mg6TiCrO8 by Materials Project.  United States.  doi:https://doi.org/10.17188/1710049

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                    The Materials Project. 2020.  
"Materials Data on Mg6TiCrO8 by Materials Project".  United States.  doi:https://doi.org/10.17188/1710049.  https://www.osti.gov/servlets/purl/1710049. Pub date:Fri Jun 05 00:00:00 EDT 2020

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@article{osti_1710049,

  title        = {Materials Data on Mg6TiCrO8 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Mg6TiCrO8 is alpha Po-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. there are three inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent TiO6 octahedra, corners with four equivalent MgO6 octahedra, and edges with twelve MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.13 Å) and two longer (2.18 Å) Mg–O bond lengths. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent CrO6 octahedra, corners with four equivalent MgO6 octahedra, and edges with twelve MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.08 Å) and four longer (2.13 Å) Mg–O bond lengths. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six equivalent MgO6 octahedra, edges with two equivalent TiO6 octahedra, edges with two equivalent CrO6 octahedra, and edges with eight MgO6 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Mg–O bond distances ranging from 2.13–2.27 Å. Ti2+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent MgO6 octahedra, corners with four equivalent TiO6 octahedra, edges with four equivalent CrO6 octahedra, and edges with eight equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.13 Å) and two longer (2.24 Å) Ti–O bond lengths. Cr2+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with two equivalent MgO6 octahedra, corners with four equivalent CrO6 octahedra, edges with four equivalent TiO6 octahedra, and edges with eight equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.13 Å) and two longer (2.34 Å) Cr–O bond lengths. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to five Mg2+ and one Ti2+ atom to form OMg5Ti octahedra that share corners with six equivalent OMg5Ti octahedra and edges with twelve OMg5Cr octahedra. The corner-sharing octahedra tilt angles range from 0–1°. In the second O2- site, O2- is bonded to five Mg2+ and one Cr2+ atom to form OMg5Cr octahedra that share corners with six equivalent OMg5Cr octahedra and edges with twelve OMg5Ti octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the third O2- site, O2- is bonded to two equivalent Mg2+, two equivalent Ti2+, and two equivalent Cr2+ atoms to form OMg2Ti2Cr2 octahedra that share corners with six OMg2Ti2Cr2 octahedra and edges with twelve OMg5Ti octahedra. The corner-sharing octahedral tilt angles are 0°. In the fourth O2- site, O2- is bonded to six Mg2+ atoms to form OMg6 octahedra that share corners with six OMg2Ti2Cr2 octahedra and edges with twelve OMg5Ti octahedra. The corner-sharing octahedral tilt angles are 0°. In the fifth O2- site, O2- is bonded to two equivalent Mg2+, two equivalent Ti2+, and two equivalent Cr2+ atoms to form OMg2Ti2Cr2 octahedra that share corners with six OMg2Ti2Cr2 octahedra and edges with twelve OMg5Ti octahedra. The corner-sharing octahedral tilt angles are 0°. Both O–Mg bond lengths are 2.27 Å. In the sixth O2- site, O2- is bonded to six Mg2+ atoms to form OMg6 octahedra that share corners with six OMg2Ti2Cr2 octahedra and edges with twelve OMg5Ti octahedra. The corner-sharing octahedral tilt angles are 0°. Both O–Mg bond lengths are 2.15 Å.},

  doi          = {10.17188/1710049},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri Jun 05 00:00:00 EDT 2020},

  month        = {Fri Jun 05 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1710049

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