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Acta Cryst. (2014). E70, m9-m10  [ doi:10.1107/S1600536813032510 ]

(1,4,7,10,13,16-Hexaoxa­cyclo­octa­decane-[kappa]6O)bis­(tetra­hydro­furan-[kappa]O)potassium bis­[(1,2,3,4-[eta])-anthracene]cobalt(-I) tetra­hydro­furan monosolvate

H. He, W. Klein and T. F. Fässler

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 [eta]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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