Acta Cryst. (2005). E61, o1469-o1471  [ doi:10.1107/S1600536805012523 ]

Bis(8-hydroxyquinolinium) squarate

T. Kolev, S. S. Fiser, M. Spiteller, W. S. Sheldrick and H. Mayer-Figge

Abstract: The title compound, 2C₉H₈NO₂⁺·C₄O₄^2-, contains a dianion with approximately D_4h symmetry [C-C = 1.465 (4)-1.470 (4) Å and C-O = 1.248 (4)-1.264 (4) Å]. Individual dianions are linked to four neighbouring 8-hydroxyquinolinium cations by OH-N [2.666 (4) and 2.681 (4) Å] and OH-O [2.596 (3) and 2.605 (3) Å] hydrogen bonds to generate a polymeric chain.

Online 27 April 2005

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