Acta Cryst. (2008). E64, i20  [ doi:10.1107/S1600536808003851 ]

Tetrapotassium cis-dioxido-trans-bis(sulfato-O)sulfato(²O,O')molybdate(VI)

S. J. C. Schäffer and R. W. Berg

Abstract: The title compound, K₄[Mo^VIO₂(SO₄)₃], was precipitated from a melt of molybdenum(VI) oxide and potassium sulfate in potassium disulfate. The compound contains monomeric [Mo^VIO₂(SO₄)₃]^4- anions, with the Mo^VI atom, both oxide ligands, and the S atom and both ligating O atoms of the bidentate sulfate group lying on a crystallographic mirror plane. One of the potassium cations is nine-coordinate, while the other is eight-coordinate.

Online 13 February 2008

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