Materials Data on Sr4CN4 by Materials Project

doi:10.17188/1273953

Title: Materials Data on Sr4CN4 by Materials Project

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Abstract

Sr4CN4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are four inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 5-coordinate geometry to five N3- atoms. There are a spread of Sr–N bond distances ranging from 2.56–2.87 Å. In the second Sr2+ site, Sr2+ is bonded in a 4-coordinate geometry to four N3- atoms. There are a spread of Sr–N bond distances ranging from 2.52–2.71 Å. In the third Sr2+ site, Sr2+ is bonded to five N3- atoms to form distorted SrN5 square pyramids that share a cornercorner with one SrN6 octahedra, edges with two equivalent SrN6 octahedra, and edges with two equivalent SrN5 square pyramids. The corner-sharing octahedral tilt angles are 9°. There are a spread of Sr–N bond distances ranging from 2.49–3.03 Å. In the fourth Sr2+ site, Sr2+ is bonded to six N3- atoms to form SrN6 octahedra that share a cornercorner with one SrN5 square pyramid, edges with four equivalent SrN6 octahedra, and edges with two equivalent SrN5 square pyramids. There are a spread of Sr–N bond distances ranging from 2.69–2.88 Å. C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.24more »« less

Authors:: The Materials Project

Publication Date:: 2020-07-15

Other Number(s):: mp-567601

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; Sr4CN4; C-N-Sr

OSTI Identifier:: 1273953

DOI:: https://doi.org/10.17188/1273953

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                    The Materials Project. Materials Data on Sr4CN4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1273953.

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                    The Materials Project. Materials Data on Sr4CN4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1273953

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                    The Materials Project. 2020.  
"Materials Data on Sr4CN4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1273953.  https://www.osti.gov/servlets/purl/1273953. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1273953,

  title        = {Materials Data on Sr4CN4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Sr4CN4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are four inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 5-coordinate geometry to five N3- atoms. There are a spread of Sr–N bond distances ranging from 2.56–2.87 Å. In the second Sr2+ site, Sr2+ is bonded in a 4-coordinate geometry to four N3- atoms. There are a spread of Sr–N bond distances ranging from 2.52–2.71 Å. In the third Sr2+ site, Sr2+ is bonded to five N3- atoms to form distorted SrN5 square pyramids that share a cornercorner with one SrN6 octahedra, edges with two equivalent SrN6 octahedra, and edges with two equivalent SrN5 square pyramids. The corner-sharing octahedral tilt angles are 9°. There are a spread of Sr–N bond distances ranging from 2.49–3.03 Å. In the fourth Sr2+ site, Sr2+ is bonded to six N3- atoms to form SrN6 octahedra that share a cornercorner with one SrN5 square pyramid, edges with four equivalent SrN6 octahedra, and edges with two equivalent SrN5 square pyramids. There are a spread of Sr–N bond distances ranging from 2.69–2.88 Å. C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) C–N bond length. There are four inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted single-bond geometry to four Sr2+ and one C4+ atom. In the second N3- site, N3- is bonded to six Sr2+ atoms to form a mixture of edge and corner-sharing NSr6 octahedra. The corner-sharing octahedra tilt angles range from 6–52°. In the third N3- site, N3- is bonded to six Sr2+ atoms to form a mixture of edge and corner-sharing NSr6 octahedra. The corner-sharing octahedra tilt angles range from 6–52°. In the fourth N3- site, N3- is bonded in a 1-coordinate geometry to four Sr2+ and one C4+ atom.},

  doi          = {10.17188/1273953},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1273953

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