Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 9 (September 2012)

organic compounds

Acta Cryst. (2012). E68, o2665    [ doi:10.1107/S1600536812034393 ]

2-Benzene­sulfonamido-3-methyl­butyric acid

M. N. Arshad, M. Danish, M. N. Tahir, Z. U. Aabideen and A. M. Asiri

Abstract: In the crystal structure of the title compound, C11H15NO4S, two independent mol­ecules are present per asymmetric unit; they are dimerized through O-H...O hydrogen bonds between their carb­oxy groups to generate R22(8) loops. An intra­molecular N-H...O link in one of the mol­ecules closes an S(5) ring. The dimers are linked by N-H...O and C-H...O hydrogen bonds to form a three-dimensional network. The C atoms of the isopropyl group of one of the mol­ecules are disordered over two orientations in a 3:1 ratio.

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