Materials Data on UH2Se2O9 by Materials Project

doi:10.17188/1285002

Title: Materials Data on UH2Se2O9 by Materials Project

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Abstract

UH2Se2O9 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. U6+ is bonded to seven O2- atoms to form distorted UO7 pentagonal bipyramids that share corners with four equivalent SeO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.80–2.49 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. Se5+ is bonded to four O2- atoms to form distorted SeO4 tetrahedra that share corners with two equivalent UO7 pentagonal bipyramids and corners with two equivalent SeO4 tetrahedra. There are a spread of Se–O bond distances ranging from 1.69–2.32 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one U6+ and one Se5+ atom. In the second O2- site, O2- is bonded in a water-like geometry to one U6+ and two equivalent H1+ atoms. In the third O2- site, O2- is bonded in a linear geometry to one U6+ and one Se5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to twomore » equivalent Se5+ atoms.« less

Authors:: The Materials Project

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

Other Number(s):: mp-696467

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; UH2Se2O9; H-O-Se-U

OSTI Identifier:: 1285002

DOI:: https://doi.org/10.17188/1285002

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                    The Materials Project. Materials Data on UH2Se2O9 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1285002.

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                    The Materials Project. Materials Data on UH2Se2O9 by Materials Project.  United States.  doi:https://doi.org/10.17188/1285002

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                    The Materials Project. 2020.  
"Materials Data on UH2Se2O9 by Materials Project".  United States.  doi:https://doi.org/10.17188/1285002.  https://www.osti.gov/servlets/purl/1285002. Pub date:Thu Jul 23 00:00:00 EDT 2020

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@article{osti_1285002,

  title        = {Materials Data on UH2Se2O9 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {UH2Se2O9 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. U6+ is bonded to seven O2- atoms to form distorted UO7 pentagonal bipyramids that share corners with four equivalent SeO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.80–2.49 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. Se5+ is bonded to four O2- atoms to form distorted SeO4 tetrahedra that share corners with two equivalent UO7 pentagonal bipyramids and corners with two equivalent SeO4 tetrahedra. There are a spread of Se–O bond distances ranging from 1.69–2.32 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one U6+ and one Se5+ atom. In the second O2- site, O2- is bonded in a water-like geometry to one U6+ and two equivalent H1+ atoms. In the third O2- site, O2- is bonded in a linear geometry to one U6+ and one Se5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Se5+ atoms.},

  doi          = {10.17188/1285002},

  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/10.17188/1285002

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