Abstract
The title compound, C17H18N2O6, crystallizes with two molecules in the asymmetric unit. In both molecules, one of the C—C bonds of the pentamethylene chain connecting the two aromatic rings is in a trans conformation and another displays a gauche conformation. The aromatic rings within each molecule are nearly coplanar [dihedral angles = 3.36 (9) and 4.50 (9)°] and the nitro groups are twisted slightly out of the planes of their attached rings [dihedral angles = 8.16 (3)/6.6 (2) and 4.9 (4)/3.8 (3)°].
Highlights
The title compound, C17H18N2O6, crystallizes with two molecules in the asymmetric unit
One of the C—C bonds of the pentamethylene chain connecting the two aromatic rings is in a trans conformation and another displays a gauche conformation
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: TK2408)
Summary
Key indicators: single-crystal X-ray study; T = 173 K; mean (C–C) = 0.003 A; R factor = 0.040; wR factor = 0.101; data-to-parameter ratio = 13.5. The title compound, C17H18N2O6, crystallizes with two molecules in the asymmetric unit. In both molecules, one of the C—C bonds of the pentamethylene chain connecting the two aromatic rings is in a trans conformation and another displays a gauche conformation. The aromatic rings within each molecule are nearly coplanar [dihedral angles = 3.36 (9) and 4.50 (9)] and the nitro groups are twisted slightly out of the planes of their attached rings [dihedral angles = 8.16 (3)/ 6.6 (2) and 4.9 (4)/3.8 (3)]
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