Acta Crystallographica Section E (Dec 2008)
3-(4-Methoxyphenyl)pent-2-ene-1,5-dioic acid
Abstract
In the title compound, C12H12O5, molecules are linked into antiparallel hydrogen-bonded sheets through inversion dimers generated via two O—H...O hydrogen bonds. Using the R22(8) motif as a building block, hydrogen-bonded chains of a C22(8) superstructure are then generated.