Received 4 October 2012
aDepartment of Organic Chemistry, University of Madras, Maraimalai Campus, Chennai 600 025, India,bDepartment of Chemistry, Pondicherry University, Puducherry 605 014, India,cDepartment of Physics, C. Abdul Hakeem College of Engineering & Technology, Melvisharam, Vellore 632 509, India, and dDepartment of Physics, Thanthai Periyar Government Institute of Technology, Vellore 632 002, India
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In the title compound, C12H8N2O6, the 1,3-benzodioxole ring system is essentially planar [maximum deviation = 0.036 (2) Å] and the nitro group is oriented at a dihedral angle of 15.4 (1)° with respect to its mean plane. In the crystal, moleucles are linked into C(8)  chains by C-HO hydrogen bonds, and weak aromatic - stacking [centroid-centroid distance = 3.887 (1) Å] also occurs.
Data collection: APEX2 (Bruker, 2004); cell refinement: APEX2 and SAINT (Bruker, 2004); data reduction: SAINT and XPREP (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia (1997); software used to prepare material for publication: SHELXL97 and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB6968 ).
The authors thank Dr Babu Vargheese, SAIF, IIT, Madras, India, for his help with the data collection.
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