Materials Data on Al2Ge2O7 by Materials Project

doi:10.17188/1314716

Title: Materials Data on Al2Ge2O7 by Materials Project

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Abstract

Al2Ge2O7 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Al3+ is bonded to five O2- atoms to form AlO5 trigonal bipyramids that share corners with five equivalent GeO4 tetrahedra and edges with two equivalent AlO5 trigonal bipyramids. There are a spread of Al–O bond distances ranging from 1.75–1.94 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share a cornercorner with one GeO4 tetrahedra and corners with five equivalent AlO5 trigonal bipyramids. There are a spread of Ge–O bond distances ranging from 1.72–1.80 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Al3+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one Ge4+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ge4+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Ge4+ atom.

Authors:: The Materials Project

Publication Date:: 2020-07-17

Other Number(s):: mp-9751

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; Al2Ge2O7; Al-Ge-O

OSTI Identifier:: 1314716

DOI:: https://doi.org/10.17188/1314716

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                    The Materials Project. Materials Data on Al2Ge2O7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1314716.

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                    The Materials Project. Materials Data on Al2Ge2O7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1314716

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                    The Materials Project. 2020.  
"Materials Data on Al2Ge2O7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1314716.  https://www.osti.gov/servlets/purl/1314716. Pub date:Fri Jul 17 00:00:00 EDT 2020

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@article{osti_1314716,

  title        = {Materials Data on Al2Ge2O7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Al2Ge2O7 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Al3+ is bonded to five O2- atoms to form AlO5 trigonal bipyramids that share corners with five equivalent GeO4 tetrahedra and edges with two equivalent AlO5 trigonal bipyramids. There are a spread of Al–O bond distances ranging from 1.75–1.94 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share a cornercorner with one GeO4 tetrahedra and corners with five equivalent AlO5 trigonal bipyramids. There are a spread of Ge–O bond distances ranging from 1.72–1.80 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Al3+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one Ge4+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ge4+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Ge4+ atom.},

  doi          = {10.17188/1314716},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {7}

}

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DOI: https://doi.org/10.17188/1314716

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