Received 9 December 2011
Single crystals of the title salt, (C3H10N3)2[Sn(CH3)2(H2O)4](SO4)2, formed concomitantly with the already known [Sn(CH3)3]2SO4·2H2O. In the title structure, the SnIV atom displays a slightly distorted octahedral coordination geometry defined by four O water atoms in the equatorial positions and two methyl groups in the axial positions. In the crystal, various O-HO and N-HO hydrogen-bonding interactions between the organic cation and the coordinated water molecules as donors and the sulfate O atoms as acceptors result in a three-dimensional structure. The SnIV atom is located on an inversion centre, resulting in half of the complex metal cation being in the asymmetric unit.
For applications of tin-based materials, see: Molloy & Purcell (1986); Dutrecq et al. (1992); Gielen (2005). For oxoanion ligands, see: Boye & Diasse-Sarr (2007) and references therein. For [(Sn(CH3)3)2SO4].2H2O, see: Molloy et al. (1989).
Data collection: COLLECT (Nonius, 2003); cell refinement: SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO (Otwinowski & Minor, 1997); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: WM2575 ).
Boye, M. S. & Diasse-Sarr, A. (2007). C. R. Chim. 10, 466-468.
Dutrecq, A., Willem, R., Biesemans, M., Boualam, M., Meriem, A. & Gielen, M. (1992). Main Group Met. Chem. 15, 285-291.
Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.
Gielen, M. (2005). Appl. Organomet. Chem. 19, 440-450.
Molloy, K. C. & Purcell, T. G. (1986). J. Organomet. Chem. 312, 167-176.
Molloy, K. C., Quill, K., Cunningham, D., McArdle, P. & Higgins, T. (1989). J. Chem. Soc. Dalton Trans. pp 267-273.
Nonius (2003). COLLECT. Nonius BV, Delft, The Netherlands.
Otwinowski, Z. & Minor, W. (1997). Methods in Enzymology, Vol. 276, Macromolecular Crystallography, Part A, edited by C. W. Carter Jr & R. M. Sweet, pp. 307-326. New York: Academic Press.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Westrip, S. P. (2010). J. Appl. Cryst. 43, 920-925.