Materials Data on Mg2SiS4 by Materials Project

doi:10.17188/1711961

Title: Materials Data on Mg2SiS4 by Materials Project

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Abstract

Mg2SiS4 is Spinel-like structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six S2- atoms to form MgS6 octahedra that share corners with four equivalent MgS6 octahedra, corners with two equivalent SiS4 tetrahedra, edges with four MgS6 octahedra, and edges with two equivalent SiS4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–59°. There are a spread of Mg–S bond distances ranging from 2.57–2.63 Å. In the second Mg2+ site, Mg2+ is bonded to six S2- atoms to form MgS6 octahedra that share corners with eight MgS6 octahedra, corners with four equivalent SiS4 tetrahedra, edges with two equivalent MgS6 octahedra, and an edgeedge with one SiS4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–59°. There are a spread of Mg–S bond distances ranging from 2.58–2.65 Å. Si4+ is bonded to four S2- atoms to form SiS4 tetrahedra that share corners with six MgS6 octahedra and edges with three MgS6 octahedra. The corner-sharing octahedral tilt angles are 58°. There are one shorter (2.12 Å) and three longer (2.16 Å) Si–S bond lengths. There are three inequivalent S2- sites. In the firstmore »« less

Authors:: The Materials Project

Publication Date:: Sat May 09 00:00:00 EDT 2020

Other Number(s):: mp-1193963

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; Mg2SiS4; Mg-S-Si

OSTI Identifier:: 1711961

DOI:: https://doi.org/10.17188/1711961

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                    The Materials Project. Materials Data on Mg2SiS4 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1711961.

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                    The Materials Project. Materials Data on Mg2SiS4 by Materials Project.  United States.  doi:https://doi.org/10.17188/1711961

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                    The Materials Project. 2020.  
"Materials Data on Mg2SiS4 by Materials Project".  United States.  doi:https://doi.org/10.17188/1711961.  https://www.osti.gov/servlets/purl/1711961. Pub date:Sat May 09 00:00:00 EDT 2020

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@article{osti_1711961,

  title        = {Materials Data on Mg2SiS4 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Mg2SiS4 is Spinel-like structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six S2- atoms to form MgS6 octahedra that share corners with four equivalent MgS6 octahedra, corners with two equivalent SiS4 tetrahedra, edges with four MgS6 octahedra, and edges with two equivalent SiS4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–59°. There are a spread of Mg–S bond distances ranging from 2.57–2.63 Å. In the second Mg2+ site, Mg2+ is bonded to six S2- atoms to form MgS6 octahedra that share corners with eight MgS6 octahedra, corners with four equivalent SiS4 tetrahedra, edges with two equivalent MgS6 octahedra, and an edgeedge with one SiS4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–59°. There are a spread of Mg–S bond distances ranging from 2.58–2.65 Å. Si4+ is bonded to four S2- atoms to form SiS4 tetrahedra that share corners with six MgS6 octahedra and edges with three MgS6 octahedra. The corner-sharing octahedral tilt angles are 58°. There are one shorter (2.12 Å) and three longer (2.16 Å) Si–S bond lengths. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to three Mg2+ and one Si4+ atom to form distorted corner-sharing SMg3Si trigonal pyramids. In the second S2- site, S2- is bonded in a rectangular see-saw-like geometry to three Mg2+ and one Si4+ atom. In the third S2- site, S2- is bonded in a rectangular see-saw-like geometry to three Mg2+ and one Si4+ atom.},

  doi          = {10.17188/1711961},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sat May 09 00:00:00 EDT 2020},

  month        = {Sat May 09 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1711961

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