Journal
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
Volume 67, Issue -, Pages M571-U645Publisher
WILEY-BLACKWELL
DOI: 10.1107/S1600536811012657
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- Polish Ministry of Science and Higher Education [N N204 316537]
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The asymmetric unit of the title compound, Rb(+)center dot C(4)H(3)N(2)O(3)(-)center dot C(4)H(4)N(2)O(3)center dot H(2)O, consists of one rubidium cation, a barbituric acid molecule, a barbiturate anion and one water molecule. The rubidium ion has seven close-contact interactions with O atoms, with Rb center dot center dot center dot O distances ranging from 2.8594 (16) to 3.2641 (14) angstrom. These seven O atoms together with an eighth O atom at 3.492 (2) angstrom away from Rb form a distorted polyhedron with shape intermediate between an antiprism and a dodecahedron. The Rb(+) ions connect layers built of organic components and water molecules linked via N-H center dot center dot center dot O and O-H center dot center dot center dot O hydrogen bonds.
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