Materials Data on Ca2ZnGe2O7 by Materials Project

doi:10.17188/1193263

Title: Materials Data on Ca2ZnGe2O7 by Materials Project

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Abstract

Ca2ZnGe2O7 crystallizes in the tetragonal P-42_1m space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.42–2.84 Å. Zn2+ is bonded to four equivalent O2- atoms to form ZnO4 tetrahedra that share corners with four equivalent GeO4 tetrahedra. All Zn–O bond lengths are 1.96 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share a cornercorner with one GeO4 tetrahedra and corners with two equivalent ZnO4 tetrahedra. There are a spread of Ge–O bond distances ranging from 1.74–1.82 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ca2+, one Zn2+, and one Ge4+ atom. In the second O2- site, O2- is bonded to three equivalent Ca2+ and one Ge4+ atom to form a mixture of distorted edge and corner-sharing OCa3Ge tetrahedra. In the third O2- site, O2- is bonded to two equivalent Ca2+ and two equivalent Ge4+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ge2 tetrahedra.

Authors:: The Materials Project

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

Other Number(s):: mp-18596

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; Ca2ZnGe2O7; Ca-Ge-O-Zn

OSTI Identifier:: 1193263

DOI:: https://doi.org/10.17188/1193263

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                    The Materials Project. Materials Data on Ca2ZnGe2O7 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1193263.

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                    The Materials Project. Materials Data on Ca2ZnGe2O7 by Materials Project.  United States.  doi:https://doi.org/10.17188/1193263

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                    The Materials Project. 2020.  
"Materials Data on Ca2ZnGe2O7 by Materials Project".  United States.  doi:https://doi.org/10.17188/1193263.  https://www.osti.gov/servlets/purl/1193263. Pub date:Wed Jul 15 00:00:00 EDT 2020

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@article{osti_1193263,

  title        = {Materials Data on Ca2ZnGe2O7 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {Ca2ZnGe2O7 crystallizes in the tetragonal P-42_1m space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.42–2.84 Å. Zn2+ is bonded to four equivalent O2- atoms to form ZnO4 tetrahedra that share corners with four equivalent GeO4 tetrahedra. All Zn–O bond lengths are 1.96 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share a cornercorner with one GeO4 tetrahedra and corners with two equivalent ZnO4 tetrahedra. There are a spread of Ge–O bond distances ranging from 1.74–1.82 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ca2+, one Zn2+, and one Ge4+ atom. In the second O2- site, O2- is bonded to three equivalent Ca2+ and one Ge4+ atom to form a mixture of distorted edge and corner-sharing OCa3Ge tetrahedra. In the third O2- site, O2- is bonded to two equivalent Ca2+ and two equivalent Ge4+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ge2 tetrahedra.},

  doi          = {10.17188/1193263},

  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/10.17188/1193263

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