Materials Data on Hf2Bi2O7 by Materials Project

doi:10.17188/1207077

Title: Materials Data on Hf2Bi2O7 by Materials Project

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Abstract

Hf2Bi2O7 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent Hf4+ sites. In the first Hf4+ site, Hf4+ is bonded to six O2- atoms to form corner-sharing HfO6 octahedra. The corner-sharing octahedra tilt angles range from 37–52°. There are a spread of Hf–O bond distances ranging from 2.02–2.17 Å. In the second Hf4+ site, Hf4+ is bonded to six O2- atoms to form corner-sharing HfO6 octahedra. The corner-sharing octahedra tilt angles range from 39–51°. There are a spread of Hf–O bond distances ranging from 2.05–2.13 Å. There are two inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.23–3.05 Å. In the second Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.24–2.86 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Hf4+ and two equivalent Bi3+ atoms. In the second O2- site, O2- is bonded to four Bi3+ atoms to form corner-sharing OBi4more »« less

Authors:: The Materials Project

Publication Date:: Wed Jul 15 00:00:00 EDT 2020

Other Number(s):: mp-35799

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; Hf2Bi2O7; Bi-Hf-O

OSTI Identifier:: 1207077

DOI:: https://doi.org/10.17188/1207077

Citation Formats


                    The Materials Project. Materials Data on Hf2Bi2O7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1207077.

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                    The Materials Project. Materials Data on Hf2Bi2O7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1207077

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                    The Materials Project. 2020.  
"Materials Data on Hf2Bi2O7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1207077.  https://www.osti.gov/servlets/purl/1207077. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1207077,

  title        = {Materials Data on Hf2Bi2O7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Hf2Bi2O7 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent Hf4+ sites. In the first Hf4+ site, Hf4+ is bonded to six O2- atoms to form corner-sharing HfO6 octahedra. The corner-sharing octahedra tilt angles range from 37–52°. There are a spread of Hf–O bond distances ranging from 2.02–2.17 Å. In the second Hf4+ site, Hf4+ is bonded to six O2- atoms to form corner-sharing HfO6 octahedra. The corner-sharing octahedra tilt angles range from 39–51°. There are a spread of Hf–O bond distances ranging from 2.05–2.13 Å. There are two inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.23–3.05 Å. In the second Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.24–2.86 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Hf4+ and two equivalent Bi3+ atoms. In the second O2- site, O2- is bonded to four Bi3+ atoms to form corner-sharing OBi4 tetrahedra. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Hf4+ and one Bi3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Hf4+ and one Bi3+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Hf4+ and two Bi3+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Hf4+ and one Bi3+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Hf4+ and two equivalent Bi3+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Hf4+ and two equivalent Bi3+ atoms. In the ninth O2- site, O2- is bonded to four Bi3+ atoms to form corner-sharing OBi4 tetrahedra. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Hf4+ and two equivalent Bi3+ atoms.},

  doi          = {10.17188/1207077},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Jul 15 00:00:00 EDT 2020},

  month        = {Wed Jul 15 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1207077

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