Acta Crystallographica Section E: Structure Reports Online, ( ISI ), Volume (66), No (66), Year (2010-4) , Pages (1368-1369)

Title : ( Bis(2,4,6-triamino-1,3,5-triazin-1-ium) pyrazine-2,3-dicarboxylate tetrahydrate: a synchrotron radiation study )

Authors: Hossein Eshtiagh Hosseini , azam hasanpoor , Laura Canadillas-Delgado , Masoud Mirzaei Shahrabi ,
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Abstract

The title compound, 2C3H7N6 +C6H2N2O4 24H2O or (tataH)2(pzdc)4H2O, was synthesised by a reaction between pyrazine-2,3-dicarboxylic acid (H2pzdc) as a proton donor and 2,4,6-triamino-1,3,5-triazin (tata) as a proton acceptor. In the crystal structure, an extensive series of O—H  O, O—H  N, N—H  O and N—H  N hydrogen bonds generates a threedimensional framework with the hydrogen bonding involving most donor and acceptor centers. – stacking interactions are also observed between adjacent triazine rings, with centroid–centroid distances of 3.4994 (8) and 3.5922 (7) A ˚ .

Keywords

, single, crystal synchrotron study; T = 100 K; mean (C–C) = 0.002 A° ; R factor = 0.043; wR factor = 0.117; data, to, parameter ratio = 13.6.