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The mononuclear title complex, bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-O2,O4)(2,5,8,11,14,17-hexaoxaoctadecane-O2,O5,O8,O11,O14O17)barium, [Ba(C5HF6O2)2(C12H26O6)], has a geometry similar to most other structurally characterized bis(β-diketonato)barium polyether adducts. The central Ba2+ ion has a coordination number of 10. The hexadentate polyether coordinates meridionally, with the β-diketonato ligands on opposite sides of the neutral ligand mean plane. Ba—O bond lengths range from 2.758 (3) to 2.858 (3) Å. All but one of the barium to polyether oxygen bonds are longer than the corresponding bonds to the β-diketonato ligands. The coordinate saturation of the Ba2+ ion ensures that there are no strong intermolecular interactions, consistent with the volatility of the title compound.

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CCDC reference: 128270

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