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DOE OSTI · 1207605

Materials Data on Mg2GeO4 by Materials Project

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Abstract

Mg2GeO4 is Spinel structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Mg2+ is bonded to six equivalent O2- atoms to form MgO6 octahedra that share corners with six equivalent GeO4 tetrahedra and edges with six equivalent MgO6 octahedra. All Mg–O bond lengths are 2.09 Å. Ge4+ is bonded to four equivalent O2- atoms to form GeO4 tetrahedra that share corners with twelve equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 55°. All Ge–O bond lengths are 1.81 Å. O2- is bonded in a rectangular see-saw-like geometry to three equivalent Mg2+ and one Ge4+ atom.

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36 MATERIALS SCIENCEcrystal structureGe-Mg-OMg2GeO4

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2020-07-16. Materials Data on Mg2GeO4 by Materials Project. https://doi.org/10.17188/1207605

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