Materials Data on GdMnGe2O7 by Materials Project

doi:10.17188/1751474

Title: Materials Data on GdMnGe2O7 by Materials Project

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Abstract

GdMnGe2O7 crystallizes in the orthorhombic C222 space group. The structure is three-dimensional. there are two inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.38 Å) and four longer (2.44 Å) Gd–O bond lengths. In the second Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.38 Å) and four longer (2.44 Å) Gd–O bond lengths. Mn3+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with two equivalent MnO6 octahedra and corners with eight equivalent GeO4 tetrahedra. The corner-sharing octahedral tilt angles are 74°. There are four shorter (1.95 Å) and two longer (2.50 Å) Mn–O bond lengths. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four equivalent MnO6 octahedra and a cornercorner with one GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ge–O bond distances ranging from 1.75–1.84 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Mn3+ and two equivalent Ge4+ atoms to form distorted corner-sharing OMn2Ge2more »« less

Authors:: The Materials Project

Publication Date:: Thu Jun 04 00:00:00 EDT 2020

Other Number(s):: mp-1191402

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; GdMnGe2O7; Gd-Ge-Mn-O

OSTI Identifier:: 1751474

DOI:: https://doi.org/10.17188/1751474

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                    The Materials Project. Materials Data on GdMnGe2O7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1751474.

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                    The Materials Project. Materials Data on GdMnGe2O7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1751474

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                    The Materials Project. 2020.  
"Materials Data on GdMnGe2O7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1751474.  https://www.osti.gov/servlets/purl/1751474. Pub date:Thu Jun 04 00:00:00 EDT 2020

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@article{osti_1751474,

  title        = {Materials Data on GdMnGe2O7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {GdMnGe2O7 crystallizes in the orthorhombic C222 space group. The structure is three-dimensional. there are two inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.38 Å) and four longer (2.44 Å) Gd–O bond lengths. In the second Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.38 Å) and four longer (2.44 Å) Gd–O bond lengths. Mn3+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with two equivalent MnO6 octahedra and corners with eight equivalent GeO4 tetrahedra. The corner-sharing octahedral tilt angles are 74°. There are four shorter (1.95 Å) and two longer (2.50 Å) Mn–O bond lengths. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four equivalent MnO6 octahedra and a cornercorner with one GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ge–O bond distances ranging from 1.75–1.84 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Mn3+ and two equivalent Ge4+ atoms to form distorted corner-sharing OMn2Ge2 tetrahedra. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Mn3+, and one Ge4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Gd3+ and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Gd3+, one Mn3+, and one Ge4+ atom.},

  doi          = {10.17188/1751474},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jun 04 00:00:00 EDT 2020},

  month        = {Thu Jun 04 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1751474

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