Materials Data on FeSiMo by Materials Project

doi:10.17188/1732625

Title: Materials Data on FeSiMo by Materials Project

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Abstract

FeMoSi crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Mo2+ sites. In the first Mo2+ site, Mo2+ is bonded in a 5-coordinate geometry to five Si4- atoms. There are a spread of Mo–Si bond distances ranging from 2.69–2.80 Å. In the second Mo2+ site, Mo2+ is bonded in a 7-coordinate geometry to seven Si4- atoms. There are six shorter (2.75 Å) and one longer (2.78 Å) Mo–Si bond lengths. There are two inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded in a distorted hexagonal planar geometry to two equivalent Fe2+ and four Si4- atoms. Both Fe–Fe bond lengths are 2.40 Å. There are three shorter (2.30 Å) and one longer (2.36 Å) Fe–Si bond lengths. In the second Fe2+ site, Fe2+ is bonded in a 6-coordinate geometry to four Fe2+ and two equivalent Si4- atoms. There are one shorter (2.34 Å) and one longer (2.47 Å) Fe–Fe bond lengths. There are one shorter (2.35 Å) and one longer (2.45 Å) Fe–Si bond lengths. There are three inequivalent Si4- sites. In the first Si4- site, Si4- is bonded to six Mo2+ and six Fe2+ atoms to form SiFe6Mo6 cuboctahedra that sharemore »« less

Authors:: The Materials Project

Publication Date:: 2020-05-04

Other Number(s):: mp-1224897

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; FeSiMo; Fe-Mo-Si

OSTI Identifier:: 1732625

DOI:: https://doi.org/10.17188/1732625

Citation Formats


                    The Materials Project. Materials Data on FeSiMo by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1732625.

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                    The Materials Project. Materials Data on FeSiMo by Materials Project.  United States.  doi:https://doi.org/10.17188/1732625

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                    The Materials Project. 2020.  
"Materials Data on FeSiMo by Materials Project".  United States.  doi:https://doi.org/10.17188/1732625.  https://www.osti.gov/servlets/purl/1732625. Pub date:Mon May 04 00:00:00 EDT 2020

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@article{osti_1732625,

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

  author       = {The Materials Project},

  abstractNote = {FeMoSi crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Mo2+ sites. In the first Mo2+ site, Mo2+ is bonded in a 5-coordinate geometry to five Si4- atoms. There are a spread of Mo–Si bond distances ranging from 2.69–2.80 Å. In the second Mo2+ site, Mo2+ is bonded in a 7-coordinate geometry to seven Si4- atoms. There are six shorter (2.75 Å) and one longer (2.78 Å) Mo–Si bond lengths. There are two inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded in a distorted hexagonal planar geometry to two equivalent Fe2+ and four Si4- atoms. Both Fe–Fe bond lengths are 2.40 Å. There are three shorter (2.30 Å) and one longer (2.36 Å) Fe–Si bond lengths. In the second Fe2+ site, Fe2+ is bonded in a 6-coordinate geometry to four Fe2+ and two equivalent Si4- atoms. There are one shorter (2.34 Å) and one longer (2.47 Å) Fe–Fe bond lengths. There are one shorter (2.35 Å) and one longer (2.45 Å) Fe–Si bond lengths. There are three inequivalent Si4- sites. In the first Si4- site, Si4- is bonded to six Mo2+ and six Fe2+ atoms to form SiFe6Mo6 cuboctahedra that share corners with fourteen SiFe6Mo6 cuboctahedra, edges with six SiFe6Mo6 cuboctahedra, and faces with four equivalent SiFe2Si4Mo6 cuboctahedra. In the second Si4- site, Si4- is bonded to six Mo2+, two equivalent Fe2+, and four Si4- atoms to form SiFe2Si4Mo6 cuboctahedra that share corners with eight SiFe6Mo6 cuboctahedra, edges with two equivalent SiFe2Si4Mo6 cuboctahedra, and faces with ten SiFe6Mo6 cuboctahedra. There are a spread of Si–Si bond distances ranging from 2.38–2.43 Å. In the third Si4- site, Si4- is bonded to six Mo2+, two equivalent Fe2+, and four equivalent Si4- atoms to form SiFe2Si4Mo6 cuboctahedra that share corners with six SiFe6Mo6 cuboctahedra, edges with six SiFe6Mo6 cuboctahedra, and faces with eight equivalent SiFe2Si4Mo6 cuboctahedra.},

  doi          = {10.17188/1732625},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1732625

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