Materials Data on La(SiAg)2 by Materials Project

doi:10.17188/1191689

Title: Materials Data on La(SiAg)2 by Materials Project

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Abstract

LaAg2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La3+ is bonded to eight equivalent Si4- atoms to form LaSi8 hexagonal bipyramids that share corners with sixteen equivalent AgSi4 tetrahedra, edges with four equivalent LaSi8 hexagonal bipyramids, edges with eight equivalent AgSi4 tetrahedra, and faces with four equivalent LaSi8 hexagonal bipyramids. All La–Si bond lengths are 3.27 Å. Ag+2.50+ is bonded to four equivalent Si4- atoms to form AgSi4 tetrahedra that share corners with eight equivalent LaSi8 hexagonal bipyramids, corners with four equivalent AgSi4 tetrahedra, edges with four equivalent LaSi8 hexagonal bipyramids, and edges with four equivalent AgSi4 tetrahedra. All Ag–Si bond lengths are 2.63 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent La3+, four equivalent Ag+2.50+, and one Si4- atom. The Si–Si bond length is 2.35 Å.

Authors:: The Materials Project

Publication Date:: Thu Jul 16 00:00:00 EDT 2020

Other Number(s):: mp-16237

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; La(SiAg)2; Ag-La-Si

OSTI Identifier:: 1191689

DOI:: https://doi.org/10.17188/1191689

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                    The Materials Project. Materials Data on La(SiAg)2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1191689.

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                    The Materials Project. Materials Data on La(SiAg)2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1191689

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                    The Materials Project. 2020.  
"Materials Data on La(SiAg)2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1191689.  https://www.osti.gov/servlets/purl/1191689. Pub date:Thu Jul 16 00:00:00 EDT 2020

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@article{osti_1191689,

  title        = {Materials Data on La(SiAg)2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {LaAg2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La3+ is bonded to eight equivalent Si4- atoms to form LaSi8 hexagonal bipyramids that share corners with sixteen equivalent AgSi4 tetrahedra, edges with four equivalent LaSi8 hexagonal bipyramids, edges with eight equivalent AgSi4 tetrahedra, and faces with four equivalent LaSi8 hexagonal bipyramids. All La–Si bond lengths are 3.27 Å. Ag+2.50+ is bonded to four equivalent Si4- atoms to form AgSi4 tetrahedra that share corners with eight equivalent LaSi8 hexagonal bipyramids, corners with four equivalent AgSi4 tetrahedra, edges with four equivalent LaSi8 hexagonal bipyramids, and edges with four equivalent AgSi4 tetrahedra. All Ag–Si bond lengths are 2.63 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent La3+, four equivalent Ag+2.50+, and one Si4- atom. The Si–Si bond length is 2.35 Å.},

  doi          = {10.17188/1191689},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jul 16 00:00:00 EDT 2020},

  month        = {Thu Jul 16 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1191689

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