Materials Data on Eu(ZnGe)2 by Materials Project

doi:10.17188/1195006

Title: Materials Data on Eu(ZnGe)2 by Materials Project

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Abstract

EuZn2Ge2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to eight Zn and eight Ge atoms. There are four shorter (3.32 Å) and four longer (3.43 Å) Eu–Zn bond lengths. There are four shorter (3.31 Å) and four longer (3.43 Å) Eu–Ge bond lengths. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded to four equivalent Eu and four equivalent Ge atoms to form distorted ZnEu4Ge4 tetrahedra that share corners with twelve equivalent GeEu4Zn4 tetrahedra, edges with two equivalent GeEu4Zn4 tetrahedra, edges with four equivalent ZnEu4Ge4 tetrahedra, and faces with four equivalent ZnEu4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.60 Å. In the second Zn site, Zn is bonded in a 5-coordinate geometry to four equivalent Eu and five Ge atoms. There are one shorter (2.45 Å) and four longer (2.59 Å) Zn–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded to four equivalent Eu and four equivalent Zn atoms to form distorted GeEu4Zn4 tetrahedra that share corners with twelve equivalent ZnEu4Ge4 tetrahedra, edges with two equivalent ZnEu4Ge4 tetrahedra, edges with four equivalent GeEu4Zn4 tetrahedra, and facesmore »« less

Authors:: The Materials Project

Publication Date:: Thu Jul 16 00:00:00 EDT 2020

Other Number(s):: mp-19808

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; Eu(ZnGe)2; Eu-Ge-Zn

OSTI Identifier:: 1195006

DOI:: https://doi.org/10.17188/1195006

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                    The Materials Project. Materials Data on Eu(ZnGe)2 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1195006.

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                    The Materials Project. Materials Data on Eu(ZnGe)2 by Materials Project.  United States.  doi:https://doi.org/10.17188/1195006

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                    The Materials Project. 2020.  
"Materials Data on Eu(ZnGe)2 by Materials Project".  United States.  doi:https://doi.org/10.17188/1195006.  https://www.osti.gov/servlets/purl/1195006. Pub date:Thu Jul 16 00:00:00 EDT 2020

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@article{osti_1195006,

  title        = {Materials Data on Eu(ZnGe)2 by Materials Project},

  author       = {The Materials Project},

  abstractNote = {EuZn2Ge2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to eight Zn and eight Ge atoms. There are four shorter (3.32 Å) and four longer (3.43 Å) Eu–Zn bond lengths. There are four shorter (3.31 Å) and four longer (3.43 Å) Eu–Ge bond lengths. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded to four equivalent Eu and four equivalent Ge atoms to form distorted ZnEu4Ge4 tetrahedra that share corners with twelve equivalent GeEu4Zn4 tetrahedra, edges with two equivalent GeEu4Zn4 tetrahedra, edges with four equivalent ZnEu4Ge4 tetrahedra, and faces with four equivalent ZnEu4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.60 Å. In the second Zn site, Zn is bonded in a 5-coordinate geometry to four equivalent Eu and five Ge atoms. There are one shorter (2.45 Å) and four longer (2.59 Å) Zn–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded to four equivalent Eu and four equivalent Zn atoms to form distorted GeEu4Zn4 tetrahedra that share corners with twelve equivalent ZnEu4Ge4 tetrahedra, edges with two equivalent ZnEu4Ge4 tetrahedra, edges with four equivalent GeEu4Zn4 tetrahedra, and faces with four equivalent GeEu4Zn4 tetrahedra. In the second Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Eu and five Zn atoms.},

  doi          = {10.17188/1195006},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Jul 16 00:00:00 EDT 2020},

  month        = {Thu Jul 16 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1195006

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Materials Data on Eu(ZnGe)2 by Materials Project

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EuZn2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to eight equivalent Zn and eight equivalent Ge atoms. All Eu–Zn bond lengths are 3.45 Å. All Eu–Ge bond lengths are 3.32 Å. Zn is bonded to four equivalent Eu and four equivalent Ge atoms to form a mixture of distorted corner, edge, and face-sharing ZnEu4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.59 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Eu, four equivalent Zn, and one Ge atom. The Ge–Ge bond length is 2.54 Å.
Materials Data on Ca(ZnGe)2 by Materials Project

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Materials Data on Sr(ZnGe)2 by Materials Project

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Materials Data on Yb(ZnGe)2 by Materials Project

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Yb(ZnGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Yb is bonded in a 8-coordinate geometry to eight equivalent Zn and eight equivalent Ge atoms. All Yb–Zn bond lengths are 3.45 Å. All Yb–Ge bond lengths are 3.23 Å. Zn is bonded to four equivalent Yb and four equivalent Ge atoms to form a mixture of edge, face, and corner-sharing ZnYb4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.58 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Yb, four equivalent Zn, and one Ge atom. The Ge–Ge bond length is 2.49 Å.
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Ba(ZnGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ba is bonded in a 8-coordinate geometry to eight equivalent Zn and eight equivalent Ge atoms. All Ba–Zn bond lengths are 3.52 Å. All Ba–Ge bond lengths are 3.50 Å. Zn is bonded to four equivalent Ba and four equivalent Ge atoms to form a mixture of distorted face, edge, and corner-sharing ZnBa4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.66 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ba, four equivalent Zn, and one Ge atom. The Ge–Ge bond length is 2.65 Å.

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