Materials Data on Eu2SiO5 by Materials Project

doi:10.17188/1312307

Title: Materials Data on Eu2SiO5 by Materials Project

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Abstract

Eu2SiO5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Eu3+ sites. In the first Eu3+ site, Eu3+ is bonded to six O2- atoms to form distorted EuO6 octahedra that share corners with four equivalent SiO4 tetrahedra and edges with two equivalent EuO6 octahedra. There are a spread of Eu–O bond distances ranging from 2.30–2.38 Å. In the second Eu3+ site, Eu3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Eu–O bond distances ranging from 2.31–2.72 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent EuO6 octahedra. The corner-sharing octahedra tilt angles range from 42–68°. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Eu3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Eu3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Eu3+ and one Si4+ atom. In the fourth O2-more »« less

Authors:: The Materials Project

Publication Date:: 2020-05-01

Other Number(s):: mp-867966

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; Eu2SiO5; Eu-O-Si

OSTI Identifier:: 1312307

DOI:: https://doi.org/10.17188/1312307

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                    The Materials Project. Materials Data on Eu2SiO5 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1312307.

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                    The Materials Project. Materials Data on Eu2SiO5 by Materials Project.  United States.  doi:https://doi.org/10.17188/1312307

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                    The Materials Project. 2020.  
"Materials Data on Eu2SiO5 by Materials Project".  United States.  doi:https://doi.org/10.17188/1312307.  https://www.osti.gov/servlets/purl/1312307. Pub date:Fri May 01 00:00:00 EDT 2020

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@article{osti_1312307,

  title        = {Materials Data on Eu2SiO5 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Eu2SiO5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Eu3+ sites. In the first Eu3+ site, Eu3+ is bonded to six O2- atoms to form distorted EuO6 octahedra that share corners with four equivalent SiO4 tetrahedra and edges with two equivalent EuO6 octahedra. There are a spread of Eu–O bond distances ranging from 2.30–2.38 Å. In the second Eu3+ site, Eu3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Eu–O bond distances ranging from 2.31–2.72 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent EuO6 octahedra. The corner-sharing octahedra tilt angles range from 42–68°. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Eu3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Eu3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Eu3+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Eu3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded to four Eu3+ atoms to form distorted edge-sharing OEu4 tetrahedra.},

  doi          = {10.17188/1312307},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {5}

}

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DOI: https://doi.org/10.17188/1312307

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