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Title: Materials Data on K4GeO4 by Materials Project

Abstract

K4GeO4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.71–2.91 Å. In the second K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.62–3.10 Å. In the third K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.71–3.35 Å. In the fourth K1+ site, K1+ is bonded to four O2- atoms to form distorted KO4 tetrahedra that share corners with four equivalent GeO4 tetrahedra and an edgeedge with one KO4 tetrahedra. There are a spread of K–O bond distances ranging from 2.61–2.67 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four equivalent KO4 tetrahedra. There is three shorter (1.80 Å) and one longer (1.81 Å) Ge–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to five K1+more » and one Ge4+ atom. In the second O2- site, O2- is bonded to five K1+ and one Ge4+ atom to form a mixture of distorted corner and edge-sharing OK5Ge octahedra. The corner-sharing octahedra tilt angles range from 44–46°. In the third O2- site, O2- is bonded in a 1-coordinate geometry to five K1+ and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to five K1+ and one Ge4+ atom.« less

Authors:
Publication Date:
Other Number(s):
mp-17015
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; K4GeO4; Ge-K-O
OSTI Identifier:
1192288
DOI:
https://doi.org/10.17188/1192288

Citation Formats

The Materials Project. Materials Data on K4GeO4 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1192288.
The Materials Project. Materials Data on K4GeO4 by Materials Project. United States. doi:https://doi.org/10.17188/1192288
The Materials Project. 2020. "Materials Data on K4GeO4 by Materials Project". United States. doi:https://doi.org/10.17188/1192288. https://www.osti.gov/servlets/purl/1192288. Pub date:Wed Jul 15 00:00:00 EDT 2020
@article{osti_1192288,
title = {Materials Data on K4GeO4 by Materials Project},
author = {The Materials Project},
abstractNote = {K4GeO4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.71–2.91 Å. In the second K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.62–3.10 Å. In the third K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.71–3.35 Å. In the fourth K1+ site, K1+ is bonded to four O2- atoms to form distorted KO4 tetrahedra that share corners with four equivalent GeO4 tetrahedra and an edgeedge with one KO4 tetrahedra. There are a spread of K–O bond distances ranging from 2.61–2.67 Å. Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four equivalent KO4 tetrahedra. There is three shorter (1.80 Å) and one longer (1.81 Å) Ge–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to five K1+ and one Ge4+ atom. In the second O2- site, O2- is bonded to five K1+ and one Ge4+ atom to form a mixture of distorted corner and edge-sharing OK5Ge octahedra. The corner-sharing octahedra tilt angles range from 44–46°. In the third O2- site, O2- is bonded in a 1-coordinate geometry to five K1+ and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to five K1+ and one Ge4+ atom.},
doi = {10.17188/1192288},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}