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Single crystals of Sr 2 (VO)V 2 O 8  have been prepared by quenching melts from higher temperatures. This compound represents a new structure type and crystallizes with monoclinic symmetry, space group C 6  2h –I2/a, a = 6.929, b = 16.246, c = 7.260 Å, β = 115.82°, Z = 4. The point positions occupied by V 5+  show tetrahedral coordination. The refinement of the V 4+  position led to split positions with acentric orientations of V 4+  in the octahedral O 2-  surrounding. It results in a square pyramidal coordination with one short V–O distance typically for vanadyl groups.

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Kristallstrukturuntersuchung an einem Strontium-Vanadyl-Vanadat: Sr 2 (VO)V 2 O 8  / Crystal Structure Investigation of the Strontium Vanadyl-Vanadate: Sr 2 (VO)V 2 O 8