Materials Data on Sn2Ge2O7 by Materials Project

doi:10.17188/1298539

Title: Materials Data on Sn2Ge2O7 by Materials Project

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Abstract

Sn2Ge2O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Sn3+ sites. In the first Sn3+ site, Sn3+ is bonded in a distorted pentagonal planar geometry to five O2- atoms. There are a spread of Sn–O bond distances ranging from 2.29–2.50 Å. In the second Sn3+ site, Sn3+ is bonded to six O2- atoms to form distorted SnO6 octahedra that share corners with six GeO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.02–2.20 Å. In the third Sn3+ site, Sn3+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with seven GeO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.02–2.23 Å. In the fourth Sn3+ site, Sn3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sn–O bond distances ranging from 2.29–2.77 Å. There are four inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 45–52°. There are a spread of Ge–O bond distances ranging from 1.74–1.80 Å. In the second Ge4+more »« less

Authors:: The Materials Project

Publication Date:: Wed Apr 29 00:00:00 EDT 2020

Other Number(s):: mp-768877

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; Sn2Ge2O7; Ge-O-Sn

OSTI Identifier:: 1298539

DOI:: https://doi.org/10.17188/1298539

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                    The Materials Project. Materials Data on Sn2Ge2O7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1298539.

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                    The Materials Project. Materials Data on Sn2Ge2O7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1298539

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                    The Materials Project. 2020.  
"Materials Data on Sn2Ge2O7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1298539.  https://www.osti.gov/servlets/purl/1298539. Pub date:Wed Apr 29 00:00:00 EDT 2020

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@article{osti_1298539,

  title        = {Materials Data on Sn2Ge2O7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Sn2Ge2O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Sn3+ sites. In the first Sn3+ site, Sn3+ is bonded in a distorted pentagonal planar geometry to five O2- atoms. There are a spread of Sn–O bond distances ranging from 2.29–2.50 Å. In the second Sn3+ site, Sn3+ is bonded to six O2- atoms to form distorted SnO6 octahedra that share corners with six GeO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.02–2.20 Å. In the third Sn3+ site, Sn3+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with seven GeO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.02–2.23 Å. In the fourth Sn3+ site, Sn3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sn–O bond distances ranging from 2.29–2.77 Å. There are four inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four SnO6 octahedra. The corner-sharing octahedra tilt angles range from 45–52°. There are a spread of Ge–O bond distances ranging from 1.74–1.80 Å. In the second Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with three SnO6 octahedra and a cornercorner with one GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–62°. There are a spread of Ge–O bond distances ranging from 1.75–1.92 Å. In the third Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with three SnO6 octahedra and a cornercorner with one GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 37–54°. There are a spread of Ge–O bond distances ranging from 1.77–1.80 Å. In the fourth Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with three equivalent SnO6 octahedra and corners with two GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–54°. There are a spread of Ge–O bond distances ranging from 1.75–1.85 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sn3+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn3+ and one Ge4+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Sn3+ and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn3+ and one Ge4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn3+ and one Ge4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn3+ and one Ge4+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn3+ and one Ge4+ atom. In the eighth O2- site, O2- is bonded in a trigonal planar geometry to one Sn3+ and two Ge4+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to two Sn3+ and one Ge4+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn3+ and one Ge4+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two Sn3+ and one Ge4+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to two Sn3+ and one Ge4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Sn3+ and one Ge4+ atom. In the fourteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two Ge4+ atoms.},

  doi          = {10.17188/1298539},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Wed Apr 29 00:00:00 EDT 2020},

  month        = {Wed Apr 29 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1298539

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