2-Ureido-1,3-thia-zol-3-ium dihydrogen phosphate.
2011
The title compound, C4H6N3OS+·H2PO4−, (I), was obtained as a result of hydrolysis of [(1,3-thiazol-2-ylamino)carbonyl]phosphoramidic acid, (II), in water. X-ray analysis has shown that the N—P bond in (II) breaks, leading to the formation of the substituted carbamide (I). This compound exists as an internal salt. The unit cell consists of a urea cation and an anion of H2PO4−. Protonation of the N atom of the heterocyclic ring was confirmed by the location of the H atom in a difference Fourier map. The molecules of substituted urea are connected by O⋯O hydrogen bonds into unlimited planes. In turn, those planes are connected to each other via N—H⋯O hydrogen bonds with molecules of phosphoric acid, forming a three-dimensional polymer.
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