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2004
Structure
D 2000
44- 005
RbZrOAsO4: A Zirconium-Containing Analogue of Potassium Titanyl Phosphate
(KTiOPO4). — Single crystals of the title compound are prepared from a flux of
Rb2CO 3, ZrO2, and As2O5 in a Rb:Zr:As molar ratio of approximately 4:1:3 (1100 °C,
1 h; slow cooling). RbZrOAsO4 crystallizes in the orthorhombic space group Pna21
with Z = 8. The compound is the first fully characterized isostructure of KTiOPO4
containing only Zr on the octahedral cation sites. The Zr(1)O6 octahedron shows a displacement of Zr towards an octahedral edge, and the Zr(2)O6 octahedron is virtually
undistorted. — (SIMPSON, M.; HARRISON*, W. T. A.; Solid State Sci. 6 (2004) 9,
981-985; Dep. Chem., Univ. Aberdeen, Aberdeen AB24 3UE, UK; Eng.) —
W. Pewestorf
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