%0 Journal Article %T 5-Nitro-1-benzofuran-2(3H)-one %A Xin-Yi Han %A Ya-Bin Shi %A Hong Shen %A Shu-Yuan Bai %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536812025093 %X In the crystal structure of the title compound, C8H5NO4, essentially planar molecules [largest deviation from the least-squares plane = 0.030 (2) ] form stacks along the a-axis direction. Intercentroid separations between overlapping benzene rings within the stack are 3.6594 (12) and 3.8131 (12) . Molecules from neighboring stacks are linked by weak C¡ªH...O hydrogen bonds into inversion dimers. %U http://scripts.iucr.org/cgi-bin/paper?S1600536812025093