%0 Journal Article %T 2-(2-Carboxyethyl)-1,3-dioxoisoindoline-5,6-dicarboxylic acid methanol monosolvate %A Sanaz Khorasani %A Manuel A. Fernandes %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536811052755 %X In the title compound, C13H9NO8¡¤CH3OH, the main molecule possesses three carboxylic acid groups, which are asymmetrically distributed around the molecule core. This results in hydrogen-bonding motifs ranging from a chain to various rings. The combination of the chain motif together with a carboxylic dimer R22(8) ring motif creates a ribbon of molecules propagating along the c-axis direction. A second ribbon results from the combination of the chain motif together with a methanol solvent molecule and carboxyl-containing R44(12) ring motif. These two ribbons combine alternately, forming a hydrogen-bonded layer of molecules parallel to (2overline{1}0). %U http://scripts.iucr.org/cgi-bin/paper?S1600536811052755