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organic compounds
In the title compound, 6-amino-5-hydroxyiminomethyl-1-methyl-2,4(1H,3H)-pyrimidinedione hydrate, C6H8N4O3.H2O, the uracil moieties are linked by N—H
O hydrogen bonds [NO 2.814 (3)Å] resulting in centrosymmetric base-paired dimers which are then linked in a three-dimensional network through hydrogen bonding, with a water molecule of crystallization [NO 3.105 (3), OO 2.748 (3) and 2.817 (3), and 2.873 (3)Å]. There is also an intramolecular N—HN hydrogen bond [NN 2.680 (3)Å] between adjacent amino and hydroxyimino groups. All available hydrogen-bond donors are utilized.
O hydrogen bonds [NO 2.814 (3)Å] resulting in centrosymmetric base-paired dimers which are then linked in a three-dimensional network through hydrogen bonding, with a water molecule of crystallization [NO 3.105 (3), OO 2.748 (3) and 2.817 (3), and 2.873 (3)Å]. There is also an intramolecular N—HN hydrogen bond [NN 2.680 (3)Å] between adjacent amino and hydroxyimino groups. All available hydrogen-bond donors are utilized.
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