Hydrogen bonding in 4-carboxyanilinium dihydrogenphosphate
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Date
2007-03-27
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Abstract
The crystal structure analysis of the title compound,
C7H8NO2+H2PO4 , has revealed a three-dimensional
hydrogen-bonded network structure, involving the dihydrogenphosphate anions, the carboxyl groups and the ammonium
groups. The anions are held together via strong O—H O
hydrogen bonds. In addition to the N—H O and O—H O
interactions, involving all the H atoms covalently bonded to
the anion, the nitrogen and the carboxyl group, the crystal
structure is also stabilized by C—H O and C—H short
contacts.