Materials Data on CaTcN3 by Materials Project

doi:10.17188/1316931

Title: Materials Data on CaTcN3 by Materials Project

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Abstract

CaTcN3 is Aluminum carbonitride-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ca2+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of Ca–N bond distances ranging from 2.40–2.64 Å. Tc7+ is bonded to five N3- atoms to form distorted TcN5 trigonal bipyramids that share a cornercorner with one NCa2TcN tetrahedra, corners with two equivalent TcN5 trigonal bipyramids, and edges with two equivalent TcN5 trigonal bipyramids. There are a spread of Tc–N bond distances ranging from 1.77–2.04 Å. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded to three equivalent Ca2+ and one Tc7+ atom to form distorted NCa3Tc trigonal pyramids that share corners with nine NCaTc3 tetrahedra, corners with two equivalent NCa3Tc trigonal pyramids, edges with two NCaTc3 tetrahedra, and edges with two equivalent NCa3Tc trigonal pyramids. In the second N3- site, N3- is bonded to one Ca2+ and three equivalent Tc7+ atoms to form distorted NCaTc3 tetrahedra that share corners with seven NCaTc3 tetrahedra, corners with four equivalent NCa3Tc trigonal pyramids, edges with two equivalent NCaTc3 tetrahedra, and an edgeedge with one NCa3Tc trigonal pyramid. In the third N3- site, N3- is bondedmore »« less

Authors:: The Materials Project

Publication Date:: 2020-07-23

Other Number(s):: mp-989638

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; CaTcN3; Ca-N-Tc

OSTI Identifier:: 1316931

DOI:: https://doi.org/10.17188/1316931

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                    The Materials Project. Materials Data on CaTcN3 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1316931.

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                    The Materials Project. Materials Data on CaTcN3 by Materials Project.  United States.  doi:https://doi.org/10.17188/1316931

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                    The Materials Project. 2020.  
"Materials Data on CaTcN3 by Materials Project".  United States.  doi:https://doi.org/10.17188/1316931.  https://www.osti.gov/servlets/purl/1316931. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1316931,

  title        = {Materials Data on CaTcN3 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {CaTcN3 is Aluminum carbonitride-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ca2+ is bonded in a 6-coordinate geometry to six N3- atoms. There are a spread of Ca–N bond distances ranging from 2.40–2.64 Å. Tc7+ is bonded to five N3- atoms to form distorted TcN5 trigonal bipyramids that share a cornercorner with one NCa2TcN tetrahedra, corners with two equivalent TcN5 trigonal bipyramids, and edges with two equivalent TcN5 trigonal bipyramids. There are a spread of Tc–N bond distances ranging from 1.77–2.04 Å. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded to three equivalent Ca2+ and one Tc7+ atom to form distorted NCa3Tc trigonal pyramids that share corners with nine NCaTc3 tetrahedra, corners with two equivalent NCa3Tc trigonal pyramids, edges with two NCaTc3 tetrahedra, and edges with two equivalent NCa3Tc trigonal pyramids. In the second N3- site, N3- is bonded to one Ca2+ and three equivalent Tc7+ atoms to form distorted NCaTc3 tetrahedra that share corners with seven NCaTc3 tetrahedra, corners with four equivalent NCa3Tc trigonal pyramids, edges with two equivalent NCaTc3 tetrahedra, and an edgeedge with one NCa3Tc trigonal pyramid. In the third N3- site, N3- is bonded to two equivalent Ca2+, one Tc7+, and one N3- atom to form distorted NCa2TcN tetrahedra that share corners with seven NCaTc3 tetrahedra, a cornercorner with one TcN5 trigonal bipyramid, corners with five equivalent NCa3Tc trigonal pyramids, and an edgeedge with one NCa3Tc trigonal pyramid. The N–N bond length is 1.28 Å.},

  doi          = {10.17188/1316931},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1316931

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