Acta Cryst. (2014). E70, m9-m10 [ doi:10.1107/S1600536813032510 ]
Abstract: The asymmetric unit of the title compound, [K(C12H24O6)(C4H8O)2][Co(C14H10)2]·C4H8O, consists of one cationic potassium complex, one anionic cobalt dianthracene complex and one tetrahydrofuran solvent molecule. The potassium cation is situated at the centre of an 18-crown-6 molecule and between two tetrahydrofuran molecules, the latter coordinating above and below the mean plane formed by the O atoms of the crown ether molecule. The Co atom is coordinated by eight C atoms of two anthracene molecules in an 4 manner. The third free tetrahydrofuran molecule shows orientational disorder on two partially occupied positions [occupancy ratio 0.561 (8):0.439 (8)].
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