3-Carboxymethyl-1H-indole-4-carboxylic acid
Shulin Mao
Acta Crystallographica Section E · 2012
doi:10.1107/s1600536811051865 (opens in a new tab)
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Abstract
In the title compound, C11H9NO4, the carboxyl group bonded to the six-membered ring lies close to the plane of the 1H-indole ring system [dihedral angle = 13.13 (9)°], whereas the carboxylic acid group linked to the five-membered ring by a methylene bridge is close to perpendicular [78.85 (9)°]. In the crystal, O—H...O and N—H...O hydrogen bonds link the molecules, generating (110) sheets.
Abstract licence: CC BY
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