Volume 64 Received 1 March 2008 | ||||||||||
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aSchool of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia, and bX-ray Crystallography unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Correspondence e-mail: hkfun@usm.my
In the title compound, C13H9N5O7, one of the nitro groups is twisted away from the attached benzene ring by 16.21 (8)°. The dihedral angle between the two benzene rings is 4.63 (1)°. The molecular structure is stabilized by intramolecular N-H
O and O-H
N hydrogen bonds which generate an S(6) ring motif. The molecules pack as layers parallel to the ab plane; molecules of adjacent layers are linked into chains along the [101] direction through N-H
O hydrogen bonds.
For related literature, see: Cordis et al. (1998
); Fun et al. (1996
); Guillaumont & Nakamura (2000
); Hanoune et al. (2006
); Lamberton et al. (1974
); Niknam et al. (2005
); Raj & Kurup (2007
); Salhin et al. (2007
); Shan, Xu et al. (2003
); Shan, Yu et al. (2003
); Tameem et al. (2007
); Uchiyama et al. (2003
); Vogel et al. (2000
); Zegota (1999
); Zlotorzynska & Lai (1999
). For ring motifs, see: Bernstein et al. (1995
).
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Data collection: APEX2 (Bruker, 2005
); cell refinement: APEX2; data reduction: SAINT (Bruker, 2005
); program(s) used to solve structure: SHELXTL (Sheldrick, 2008
); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2003
).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CI2567 ).
FHK and SRJ thank the Malaysian Government and Universiti Sains Malaysia for the Science Fund grant No. 305/PFIZIK/613312. SRJ thanks the Universiti Sains Malaysia for the award of a post-doctoral research fellowship.
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