Abstract
The title compound [systematic name: 1-(2-nitro-phen-yl)pyrrole-2,5-dione], C10H6N2O4, crystallizes in the monoclinic system (space group P21/n) with two mol-ecules in the asymmetric unit, which are linked by C-H⋯O hydrogen bonds. Hirshfeld surface analysis showed that the most significant contributions to the crystal packing are from H⋯O/O⋯H, H⋯C/C⋯H and H⋯H inter-actions, which contribute 54.7%, 15.2% and 15.6%, respectively. A DFT study was conducted using three different levels of theory [(B3LYP/6-311+G(d,p), wB97XD/Def2TZVPP and LC-wpbe/6-311(2 d,2p)] in order to determine the stability, structural and electronic properties of the title mol-ecule with a view to its potential applications and photochemical and copolymer properties.
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