Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 11 (November 2013)


organic compounds



ff2121 scheme

Acta Cryst. (2013). E69, o1633-o1634    [ doi:10.1107/S1600536813027505 ]

4,4'-Oxybis(2,6-di­methyl­pyridinium) bis­(tri­fluoro­methane­sulfonate)

A. W. Stubbs, J. A. Golen, A. L. Rheingold and D. R. Manke

Abstract: In the asymmetric unit of the title salt, C14H18N2O2+·2CF3O3S-, the components are linked by two N-H...O and one C-H...O hydrogen bonds. The dipyridinium salt demonstrates a skew conformation based upon C-O-C-C torsion angles of 61.5 (3) and 15.1 (4)°. A C-O-C angle of 119.3 (2)° and C-O bond distances of 1.364 (3) and 1.389 (3) Å are consistent with other dipyridyl ethers. The planes of the pyridyl rings exhibit a twist angle of 67.89 (8)°. One of the tri­fluoro­methane­sulfonate ions shows disorder of the F atoms [in a 0.52 (7):0.48 (7) occupancy ratio] and an O atom [0.64 (8):0.36 (8) occupancy ratio]. In the crystal, the components are linked by C-H...O inter­actions, which form chains along [101].


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