Materials Data on Sm3Si2Ni by Materials Project

doi:10.17188/1277924

Title: Materials Data on Sm3Si2Ni by Materials Project

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Abstract

Sm3NiSi2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Sm2+ sites. In the first Sm2+ site, Sm2+ is bonded in a 6-coordinate geometry to one Ni2+ and five Si4- atoms. The Sm–Ni bond length is 2.86 Å. There are four shorter (3.00 Å) and one longer (3.22 Å) Sm–Si bond lengths. In the second Sm2+ site, Sm2+ is bonded to five Si4- atoms to form distorted edge-sharing SmSi5 square pyramids. There are a spread of Sm–Si bond distances ranging from 2.96–3.04 Å. In the third Sm2+ site, Sm2+ is bonded in a 7-coordinate geometry to two equivalent Ni2+ and five Si4- atoms. Both Sm–Ni bond lengths are 2.82 Å. There are a spread of Sm–Si bond distances ranging from 2.95–3.65 Å. Ni2+ is bonded in a 3-coordinate geometry to three Sm2+ and three Si4- atoms. There are one shorter (2.43 Å) and two longer (2.44 Å) Ni–Si bond lengths. There are two inequivalent Si4- sites. In the first Si4- site, Si4- is bonded in a 9-coordinate geometry to eight Sm2+ and one Ni2+ atom. In the second Si4- site, Si4- is bonded in a 9-coordinate geometry to seven Sm2+ and two equivalent Ni2+more » atoms.« less

Authors:: The Materials Project

Publication Date:: Thu Jul 23 00:00:00 EDT 2020

Other Number(s):: mp-617312

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; Sm3Si2Ni; Ni-Si-Sm

OSTI Identifier:: 1277924

DOI:: https://doi.org/10.17188/1277924

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                    The Materials Project. Materials Data on Sm3Si2Ni by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1277924.

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                    The Materials Project. Materials Data on Sm3Si2Ni by Materials Project.  United States.  doi:https://doi.org/10.17188/1277924

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                    The Materials Project. 2020.  
"Materials Data on Sm3Si2Ni by Materials Project".  United States.  doi:https://doi.org/10.17188/1277924.  https://www.osti.gov/servlets/purl/1277924. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1277924,

  title        = {Materials Data on Sm3Si2Ni by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Sm3NiSi2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Sm2+ sites. In the first Sm2+ site, Sm2+ is bonded in a 6-coordinate geometry to one Ni2+ and five Si4- atoms. The Sm–Ni bond length is 2.86 Å. There are four shorter (3.00 Å) and one longer (3.22 Å) Sm–Si bond lengths. In the second Sm2+ site, Sm2+ is bonded to five Si4- atoms to form distorted edge-sharing SmSi5 square pyramids. There are a spread of Sm–Si bond distances ranging from 2.96–3.04 Å. In the third Sm2+ site, Sm2+ is bonded in a 7-coordinate geometry to two equivalent Ni2+ and five Si4- atoms. Both Sm–Ni bond lengths are 2.82 Å. There are a spread of Sm–Si bond distances ranging from 2.95–3.65 Å. Ni2+ is bonded in a 3-coordinate geometry to three Sm2+ and three Si4- atoms. There are one shorter (2.43 Å) and two longer (2.44 Å) Ni–Si bond lengths. There are two inequivalent Si4- sites. In the first Si4- site, Si4- is bonded in a 9-coordinate geometry to eight Sm2+ and one Ni2+ atom. In the second Si4- site, Si4- is bonded in a 9-coordinate geometry to seven Sm2+ and two equivalent Ni2+ atoms.},

  doi          = {10.17188/1277924},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jul 23 00:00:00 EDT 2020},

  month        = {Thu Jul 23 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1277924

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