Materials Data on Ca3Sn2S7 by Materials Project

doi:10.17188/1311702

Title: Materials Data on Ca3Sn2S7 by Materials Project

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Abstract

Ca3Sn2S7 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 5-coordinate geometry to five S2- atoms. There are four shorter (2.87 Å) and one longer (2.90 Å) Ca–S bond lengths. In the second Ca2+ site, Ca2+ is bonded in a 4-coordinate geometry to four S2- atoms. There are a spread of Ca–S bond distances ranging from 2.71–2.85 Å. Sn4+ is bonded to six S2- atoms to form corner-sharing SnS6 octahedra. The corner-sharing octahedra tilt angles range from 32–38°. There are a spread of Sn–S bond distances ranging from 2.52–2.63 Å. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two equivalent Sn4+ atoms. In the second S2- site, S2- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and one Sn4+ atom. In the third S2- site, S2- is bonded to two equivalent Ca2+ and two equivalent Sn4+ atoms to form a mixture of distorted edge and corner-sharing SCa2Sn2 trigonal pyramids. In the fourth S2- site, S2- is bonded to two equivalent Ca2+ and two equivalentmore »« less

Authors:: The Materials Project

Publication Date:: 2020-04-29

Other Number(s):: mp-866827

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; Ca3Sn2S7; Ca-S-Sn

OSTI Identifier:: 1311702

DOI:: https://doi.org/10.17188/1311702

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                    The Materials Project. Materials Data on Ca3Sn2S7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1311702.

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                    The Materials Project. Materials Data on Ca3Sn2S7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1311702

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                    The Materials Project. 2020.  
"Materials Data on Ca3Sn2S7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1311702.  https://www.osti.gov/servlets/purl/1311702. Pub date:Wed Apr 29 00:00:00 EDT 2020

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@article{osti_1311702,

  title        = {Materials Data on Ca3Sn2S7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ca3Sn2S7 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 5-coordinate geometry to five S2- atoms. There are four shorter (2.87 Å) and one longer (2.90 Å) Ca–S bond lengths. In the second Ca2+ site, Ca2+ is bonded in a 4-coordinate geometry to four S2- atoms. There are a spread of Ca–S bond distances ranging from 2.71–2.85 Å. Sn4+ is bonded to six S2- atoms to form corner-sharing SnS6 octahedra. The corner-sharing octahedra tilt angles range from 32–38°. There are a spread of Sn–S bond distances ranging from 2.52–2.63 Å. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two equivalent Sn4+ atoms. In the second S2- site, S2- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and one Sn4+ atom. In the third S2- site, S2- is bonded to two equivalent Ca2+ and two equivalent Sn4+ atoms to form a mixture of distorted edge and corner-sharing SCa2Sn2 trigonal pyramids. In the fourth S2- site, S2- is bonded to two equivalent Ca2+ and two equivalent Sn4+ atoms to form a mixture of distorted edge and corner-sharing SCa2Sn2 tetrahedra.},

  doi          = {10.17188/1311702},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {4}

}

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DOI: https://doi.org/10.17188/1311702

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