Materials Data on Er3SiSe2O10F by Materials Project

doi:10.17188/1269072

Title: Materials Data on Er3SiSe2O10F by Materials Project

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Abstract

Er3SiSe2O10F crystallizes in the orthorhombic Pnna space group. The structure is three-dimensional. there are two inequivalent Er3+ sites. In the first Er3+ site, Er3+ is bonded to six O2- and one F1- atom to form distorted ErO6F pentagonal bipyramids that share a cornercorner with one ErO6F pentagonal bipyramid, a cornercorner with one SiO4 tetrahedra, edges with two equivalent ErO6F pentagonal bipyramids, and an edgeedge with one SiO4 tetrahedra. There are a spread of Er–O bond distances ranging from 2.20–2.47 Å. The Er–F bond length is 2.21 Å. In the second Er3+ site, Er3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Er–O bond distances ranging from 2.26–2.40 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent ErO6F pentagonal bipyramids and edges with two equivalent ErO6F pentagonal bipyramids. All Si–O bond lengths are 1.65 Å. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.73 Å) and one longer (1.75 Å) Se–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Er3+ and one Se4+more »« less

Authors:: The Materials Project

Publication Date:: 2020-04-30

Other Number(s):: mp-555942

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; Er3SiSe2O10F; Er-F-O-Se-Si

OSTI Identifier:: 1269072

DOI:: https://doi.org/10.17188/1269072

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                    The Materials Project. Materials Data on Er3SiSe2O10F by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1269072.

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                    The Materials Project. Materials Data on Er3SiSe2O10F by Materials Project.  United States.  doi:https://doi.org/10.17188/1269072

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                    The Materials Project. 2020.  
"Materials Data on Er3SiSe2O10F by Materials Project".  United States.  doi:https://doi.org/10.17188/1269072.  https://www.osti.gov/servlets/purl/1269072. Pub date:Thu Apr 30 00:00:00 EDT 2020

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@article{osti_1269072,

  title        = {Materials Data on Er3SiSe2O10F by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Er3SiSe2O10F crystallizes in the orthorhombic Pnna space group. The structure is three-dimensional. there are two inequivalent Er3+ sites. In the first Er3+ site, Er3+ is bonded to six O2- and one F1- atom to form distorted ErO6F pentagonal bipyramids that share a cornercorner with one ErO6F pentagonal bipyramid, a cornercorner with one SiO4 tetrahedra, edges with two equivalent ErO6F pentagonal bipyramids, and an edgeedge with one SiO4 tetrahedra. There are a spread of Er–O bond distances ranging from 2.20–2.47 Å. The Er–F bond length is 2.21 Å. In the second Er3+ site, Er3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Er–O bond distances ranging from 2.26–2.40 Å. Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent ErO6F pentagonal bipyramids and edges with two equivalent ErO6F pentagonal bipyramids. All Si–O bond lengths are 1.65 Å. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.73 Å) and one longer (1.75 Å) Se–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Er3+ and one Se4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Er3+ and one Se4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Er3+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Er3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Er3+ and one Se4+ atom. F1- is bonded in a distorted bent 150 degrees geometry to two equivalent Er3+ atoms.},

  doi          = {10.17188/1269072},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {4}

}

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DOI: https://doi.org/10.17188/1269072

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