科研之友
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摘要
The title compound, (C11H14N4O4)[SbCl4]center dot H2O, comprises a protonated doxofyllinium cation [7-(1,3-dioxolan-2-ylmethyl)1,3- dimethyl-2,6-dioxo-3,7-dihydro-1H-purin-9-ium], an [SbCl4](-) anion and a water molecule linked by N-H center dot center dot center dot O and O-H center dot center dot center dot Cl hydrogen bonds: the [SbCl4](-) anions form centrosymmetric dimers via weak Sb center dot center dot center dot Cl interactions [Sb center dot center dot center dot Cl = 3.1159 (9) angstrom]. The geometrical arrangement in the crystal structure is characterized by slipped pi-pi stacking of the parallel purine ring systems, with an interplanar separation of 3.32 angstrom.
