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The structure of tetragermanium strontium nonaoxide, SrGe4O9, comprises two different types of sheet structure stacked alternately along the c axis. One sheet comprises the GeO6 octahedra and the SrO8 polyhedra while the other sheet contains three-membered rings of GeO4 tetrahedra. In addition, this crystal structure shows a basic unit of the super structures which are found in PbGe4O9.

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Crystallographic Information File (CIF)
Contains datablocks text, oh1096a

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