Materials Data on Gd3TaO7 by Materials Project

doi:10.17188/1306391

Title: Materials Data on Gd3TaO7 by Materials Project

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Abstract

Gd3TaO7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded to seven O2- atoms to form distorted GdO7 pentagonal bipyramids that share corners with two TaO6 octahedra, a cornercorner with one GdO7 pentagonal bipyramid, an edgeedge with one TaO6 octahedra, and edges with four GdO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 46–49°. There are a spread of Gd–O bond distances ranging from 2.33–2.48 Å. In the second Gd3+ site, Gd3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Gd–O bond distances ranging from 2.26–2.81 Å. In the third Gd3+ site, Gd3+ is bonded to seven O2- atoms to form distorted GdO7 pentagonal bipyramids that share corners with two TaO6 octahedra, a cornercorner with one GdO7 pentagonal bipyramid, edges with two TaO6 octahedra, and edges with four GdO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 44°. There are a spread of Gd–O bond distances ranging from 2.23–2.45 Å. There are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners withmore »« less

Authors:: The Materials Project

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

Other Number(s):: mp-779424

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; Gd3TaO7; Gd-O-Ta

OSTI Identifier:: 1306391

DOI:: https://doi.org/10.17188/1306391

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                    The Materials Project. Materials Data on Gd3TaO7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1306391.

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                    The Materials Project. Materials Data on Gd3TaO7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1306391

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                    The Materials Project. 2020.  
"Materials Data on Gd3TaO7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1306391.  https://www.osti.gov/servlets/purl/1306391. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1306391,

  title        = {Materials Data on Gd3TaO7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Gd3TaO7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded to seven O2- atoms to form distorted GdO7 pentagonal bipyramids that share corners with two TaO6 octahedra, a cornercorner with one GdO7 pentagonal bipyramid, an edgeedge with one TaO6 octahedra, and edges with four GdO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 46–49°. There are a spread of Gd–O bond distances ranging from 2.33–2.48 Å. In the second Gd3+ site, Gd3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Gd–O bond distances ranging from 2.26–2.81 Å. In the third Gd3+ site, Gd3+ is bonded to seven O2- atoms to form distorted GdO7 pentagonal bipyramids that share corners with two TaO6 octahedra, a cornercorner with one GdO7 pentagonal bipyramid, edges with two TaO6 octahedra, and edges with four GdO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 44°. There are a spread of Gd–O bond distances ranging from 2.23–2.45 Å. There are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two equivalent TaO6 octahedra, corners with four GdO7 pentagonal bipyramids, and edges with four GdO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 34°. There are two shorter (1.99 Å) and four longer (2.01 Å) Ta–O bond lengths. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two equivalent TaO6 octahedra, corners with four GdO7 pentagonal bipyramids, and edges with two equivalent GdO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 34°. There are a spread of Ta–O bond distances ranging from 1.98–2.05 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Gd3+ and one Ta5+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Gd3+ and one Ta5+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Gd3+ and one Ta5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Gd3+ and one Ta5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+ and two Ta5+ atoms. In the sixth O2- site, O2- is bonded to four Gd3+ atoms to form a mixture of edge and corner-sharing OGd4 tetrahedra. In the seventh O2- site, O2- is bonded to four Gd3+ atoms to form a mixture of edge and corner-sharing OGd4 tetrahedra.},

  doi          = {10.17188/1306391},

  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/10.17188/1306391

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