Journal
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
Volume 68, Issue -, Pages 2501-+Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600536812031431
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The asymmetric unit of the title structure, C8H7NO4 center dot 2C(3)H(7)NO, contains one 2-aminoterephthalic acid and two N, N-dimethylformamide molecules. Strong O - H center dot center dot center dot O hydrogen bonds between the acidic carboxy H atoms of 2-aminoterephthalic acid and the O atoms of both solvent molecules form linear 1: 2 complex units. One H atom of the amine group is involved in intramolecular N - H center dot center dot center dot O hydrogen bonding, whereas the second one takes part in an intermolecular N - H center dot center dot center dot O connection. Furthermore, the crystal is stabilized by weak C - H center dot center dot center dot O hydrogen bonds.
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