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Materials Data on Al2Cd3(GeO4)3 by Materials Project

Cd3Al2(GeO4)3 crystallizes in the cubic Ia-3d space group. The structure is three-dimensional. Cd2+ is bonded in a distorted body-centered cubic geometry to eight equivalent O2- atoms. There are four shorter (2.36 Å) and four longer (2.54 Å) Cd–O bond lengths. Al3+ is bonded to six equivalent O2- atoms to form AlO6 octahedra that share corners with six equivalent GeO4 tetrahedra. All Al–O bond lengths are 1.94 Å. Ge4+ is bonded to four equivalent O2- atoms to form GeO4 tetrahedra that share corners with four equivalent AlO6 octahedra. The corner-sharing octahedral tilt angles are 46°. All Ge–O bond lengths are 1.78 Å. O2- is bonded in a 4-coordinate geometry to two equivalent Cd2+, one Al3+, and one Ge4+ atom.

36 MATERIALS SCIENCE↗