Materials Data on Ca3(AlN2)2 by Materials Project

doi:10.17188/1275607

Title: Materials Data on Ca3(AlN2)2 by Materials Project

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Abstract

Ca3(AlN2)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six N3- atoms to form distorted CaN6 octahedra that share corners with seven CaN6 octahedra, corners with six equivalent AlN4 tetrahedra, edges with six equivalent CaN6 octahedra, edges with three equivalent AlN4 tetrahedra, and a faceface with one CaN6 octahedra. The corner-sharing octahedra tilt angles range from 15–66°. There are a spread of Ca–N bond distances ranging from 2.45–2.93 Å. In the second Ca2+ site, Ca2+ is bonded to six N3- atoms to form CaN6 octahedra that share corners with ten equivalent CaN6 octahedra, corners with four equivalent AlN4 tetrahedra, edges with two equivalent CaN6 octahedra, edges with four equivalent AlN4 tetrahedra, and faces with two equivalent CaN6 octahedra. The corner-sharing octahedra tilt angles range from 26–66°. There are a spread of Ca–N bond distances ranging from 2.46–2.59 Å. Al3+ is bonded to four N3- atoms to form AlN4 tetrahedra that share corners with eight CaN6 octahedra, corners with two equivalent AlN4 tetrahedra, edges with five CaN6 octahedra, and an edgeedge with one AlN4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–82°.more »« less

Authors:: The Materials Project

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

Other Number(s):: mp-570258

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; Ca3(AlN2)2; Al-Ca-N

OSTI Identifier:: 1275607

DOI:: https://doi.org/10.17188/1275607

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                    The Materials Project. Materials Data on Ca3(AlN2)2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1275607.

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                    The Materials Project. Materials Data on Ca3(AlN2)2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1275607

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                    The Materials Project. 2020.  
"Materials Data on Ca3(AlN2)2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1275607.  https://www.osti.gov/servlets/purl/1275607. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1275607,

  title        = {Materials Data on Ca3(AlN2)2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ca3(AlN2)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six N3- atoms to form distorted CaN6 octahedra that share corners with seven CaN6 octahedra, corners with six equivalent AlN4 tetrahedra, edges with six equivalent CaN6 octahedra, edges with three equivalent AlN4 tetrahedra, and a faceface with one CaN6 octahedra. The corner-sharing octahedra tilt angles range from 15–66°. There are a spread of Ca–N bond distances ranging from 2.45–2.93 Å. In the second Ca2+ site, Ca2+ is bonded to six N3- atoms to form CaN6 octahedra that share corners with ten equivalent CaN6 octahedra, corners with four equivalent AlN4 tetrahedra, edges with two equivalent CaN6 octahedra, edges with four equivalent AlN4 tetrahedra, and faces with two equivalent CaN6 octahedra. The corner-sharing octahedra tilt angles range from 26–66°. There are a spread of Ca–N bond distances ranging from 2.46–2.59 Å. Al3+ is bonded to four N3- atoms to form AlN4 tetrahedra that share corners with eight CaN6 octahedra, corners with two equivalent AlN4 tetrahedra, edges with five CaN6 octahedra, and an edgeedge with one AlN4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–82°. There are a spread of Al–N bond distances ranging from 1.90–1.98 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a 7-coordinate geometry to five Ca2+ and two equivalent Al3+ atoms. In the second N3- site, N3- is bonded in a 6-coordinate geometry to four Ca2+ and two equivalent Al3+ atoms.},

  doi          = {10.17188/1275607},

  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/10.17188/1275607

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