A drawing of (I), showing the atom-numbering scheme and with 50% probability displacement ellipsoids. H atoms are drawn as spheres of arbitrary radii. organic papers o890 Genc Ë Sadõk et al. C 16 H 12 BrN 3 OS Acta Cryst. (2004). E60, o889±o891
A new polymorph of 2-bromo-5-hydroxybenzaldehyde
✍ Scribed by Silva, Manuela Ramos ;Paixão, José A. ;Beja, Ana Matos ;Sobral, Abílio J. F. N. ;Rocha Gonsalves, A. M. d'A.
- Publisher
- International Union of Crystallography
- Year
- 2003
- Tongue
- English
- Weight
- 235 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
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In the paper by Sadik [Acta Cryst. (2004), E60, o889±o891], the forenames and surnames of the ®rst four authors are given in the incorrect order. The correct names are given opposite.
The structure of (I), showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 30% probability level.
In its crystal structure, the title compound, C 8 H 7 BrO 2 , displays an intramolecular O-HÁ Á ÁO hydrogen bond. Adjacent molecules are linked into chains by a C-BrÁ Á ÁO interaction.
In the title compound, C~8~H~9~BrN~2~O~2~, the amide bond is in a __cis__ configuation. The N—N—C=O group is planar [torsion angle 0.6 (6)°] and forms a dihedral angle of 46.4 (2)° with the aromatic ring. The crystal packing is stabilized by two strong and one rather weak N—H...O hydrogen bonds.