Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 9 (September 2012)


organic compounds



fj2579 scheme

Acta Cryst. (2012). E68, o2689    [ doi:10.1107/S1600536812034800 ]

4-Bromo-1H-pyrrole-2-carboxylic acid

L. Zheng, F. Hu, X. C. Zeng and K. P. Li

Abstract: In the title compound, C5H4BrNO2, the non-H atoms of the pyrrole ring and the Br atom are approximately coplanar, with an r.m.s. deviation from the best fit plane of 0.025 (6) Å;. The dihedral angle between the plane of the carboxy group and this plane is 14.1 (2)°. In the crystal, O-H...O hydrogen bonds link the molecules together, forming corrugated sheets parallel to the bc plane.


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