Abstract
In the title compound, 2C14H8N4O6·CH2Cl2, the dichloromethane solvent molecule resides on a crystallographic twofold axis. The mean plane of the phthalisoimide ring is oriented at a dihedral angle of 32.93 (12)° with respect to the nitro-substituted benzene ring. An intramolecular N—H⋯O hydrogen bond occurs. The crystal packing features a short Cl⋯O halogen-bond interaction [3.093 (3) Å].
Highlights
2C14H8N4O6ÁCH2Cl2, the dichloromethane solvent molecule resides on a crystallographic twofold axis
The mean plane of the phthalisoimide ring is oriented at a dihedral angle of 32.93 (12) with respect to the nitro-substituted benzene ring
The authors are thankful to the UGC (No 41–235/2012) for providing a research grant
Summary
Key indicators: single-crystal X-ray study; T = 297 K; mean (C–C) = 0.003 A; R factor = 0.057; wR factor = 0.141; data-to-parameter ratio = 16.4. The mean plane of the phthalisoimide ring is oriented at a dihedral angle of 32.93 (12) with respect to the nitro-substituted benzene ring. An intramolecular N—HÁ Á ÁO hydrogen bond occurs. The crystal packing features a short ClÁ Á ÁO halogen-bond interaction [3.093 (3) A ]. Related literature For a general background, see: Kaufmann (1927); Maekawa & Nanya (1959). See: Gonnade et al (2008); Metrangalo & Resnati (2007); Pedireddi et al (1992). See: Guirado et al (1997).
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