Abstract
The asymmetric unit of the title molecule, C8H7NO3, consists of two molecules differing slightly in conformation and in their intermolecular interactions in the solid. The dihedral angle between the benzene and dioxolane rings is 0.20 (7)° in one molecule and 0.31 (7)° in the other. In the crystal, the two molecules are linked into dimers through pairwise O—H...N hydrogen bonds, with these units being formed into stacks by two different sets of aromatic π-stacking interactions. The stacks are connected by C—H...O hydrogen bonds. A Hirshfeld surface analysis indicates that the most significant contacts in the crystal packing are H...O/O...H (36.7%), H...H (32.2%) and C...H/H...C (12.7%).
Publisher
International Union of Crystallography (IUCr)
Subject
Condensed Matter Physics,General Materials Science,General Chemistry
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