Materials Data on ZrGeO4 by Materials Project
ZrGeO4 is Zircon-like structured and crystallizes in the tetragonal I4_1/a space group. The structure is three-dimensional. Zr4+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.17 Å) and four longer (2.30 Å) Zr–O bond lengths. Ge4+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Ge–O bond lengths are 1.79 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Zr4+ and one Ge4+ atom.
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