Acta Crystallographica Section E

Structure Reports Online

Volume 70, Part 5 (May 2014)

organic compounds

qm2105 scheme

Acta Cryst. (2014). E70, o615    [ doi:10.1107/S1600536814008599 ]

4,4'-Dimeth­oxybi­phenyl-3,3'-di­car­box­ylic acid

F. Lundvall, D. S. Wragg, P. D. C. Dietzel and H. Fjellvåg

Abstract: The title compound, C16H14O6, was recrystallized under solvothermal conditions. The mol­ecules are located on inversion centres, with one complete mol­ecule generated from the asymmetric unit by inversion. There are intra­molecular O-H...O hydrogen bonds involving the carb­oxy­lic acid group and the O atom of the adjacent meth­oxy group. In the crystal, mol­ecules are linked via O-H...O hydrogen bonds, forming chains propagating along [100]. The chains are linked via C-H...O hydrogen bonds, forming sheets parallel to (001).

CCDC reference: 997556

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