Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 3 (March 2013)


organic compounds



hb7040 scheme

Acta Cryst. (2013). E69, o387    [ doi:10.1107/S160053681300408X ]

2-Amino-5-fluorobenzoic acid

S. Sreenivasa, K. E. ManojKumar, P. A. Suchetan, B. S. Palakshamurthy and K. Gunasekaran

Abstract: In the title compound, C7H6FNO2, the molecule is almost planar (r.m.s. deviation for the non-H atoms = 0.015 Å) and an intramolecular N-H...O hydrogen bond closes an S(6) ring. In the crystal, inversion dimers linked by pairs of O-H...O hydrogen bonds generate R22(8) loops. Weak N-H...F hydrogen bonds, short F...F contacts [2.763 (2) Å] and aromatic [pi]-[pi] stacking interactions [centroid-centroid separation = 3.5570 (11) Å] are also observed in the crystal structure.


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