Acta Cryst. (2013). C69, 195-198 [ doi:10.1107/S0108270113001327 ]
Abstract: Two new dialkylammonium thiosulfates, namely bis(diisopropylammonium) thiosulfate, 2C6H16N+·S2O32-, (I), and bis(tert-butylammonium) thiosulfate, 2C4H12N+·S2O32-, (II), have been characterized. The secondary ammonium salt (I) crystallizes with Z = 4, while the primary ammonium salt (II), with more hydrogen-bond donors, crystallizes with Z = 8 and a noncrystallographic centre of inversion. In both salts, the organic cations and thiosulfate anions are linked within extensive N-HO and N-HS hydrogen-bond networks, forming extended two-dimensional layers. Layers are parallel to (10) in (I) and to (002) in (II), and have a polar interior and a nonpolar hydrocarbon exterior. The layered structure and hydrogen-bond motifs observed in (I) and (II) are similar to those in related ammonium sulfates.
Formula: 2C6H16N+·S2O32- and 2C4H12N+·S2O32-
Structure factor file (CIF format) (155.2 kbytes)
Structure factor file (CIF format) (248.0 kbytes)
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