Author:
Vusak Vitomir,Vusak Darko,Molcanov Kresimir,Ernest Mestrovic
Abstract
The title compound, C8H7NO5, is planar with an r.m.s. deviation for all non-hydrogen atoms of 0.018 Å. An intramolecular O—H...O hydrogen bond involving the adjacent hydroxy and nitro groups forms an S(6) ring motif. In the crystal, molecules are linked by O—H...O hydrogen bonds, forming chains propagating along the b-axis direction. The chains are linked by C—H...O hydrogen bonds, forming layers parallel to the bc plane. The layers are linked by a further C—H...O hydrogen bond, forming slabs, which are linked by C=O...π interactions, forming a three-dimensional supramolecular structure. Hirshfeld surface analysis was used to investigate intermolecular interactions in the solid state. The molecule was also characterized spectroscopically and its thermal stability investigated by differential scanning calorimetry and by thermogravimetric analysis.
Publisher
International Union of Crystallography (IUCr)
Subject
Condensed Matter Physics,General Materials Science,General Chemistry
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