Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 7 (July 2013)


metal-organic compounds



cv5413 scheme

Acta Cryst. (2013). E69, m364-m365    [ doi:10.1107/S1600536813014657 ]

Dichloridobis(pyridine-2-selenolato-[kappa]2N,Se)tin(IV)

G. Z. Mammadova, S. R. Ismaylova, Z. V. Matsulevich, V. K. Osmanov, A. V. Borisov and V. N. Khrustalev

Abstract: The title compound, [SnCl2(C5H4NSe)2], is the product of a reaction of 2,2'-dipyridyl diselenide with tin tetrachloride. The molecule is located about a twofold rotation axis. The coordination environment of the SnIV atom is a distorted octahedron, with two bidentate 2-pyridineselenolate ligands inclined to each other at an angle of 83.96 (7)°. The two Sn-Cl and two Sn-N bonds are in cis configurations, while the two Sn-Se bonds of 2.5917 (3) Å are in a trans configuration, with an Se-Sn-Se angle of 157.988 (15)°. In the crystal, [pi]-[pi] interactions between the pyridine rings [centroid-to-centroid distance of 3.758 (3) Å] and weak intermolecular C-H...Cl hydrogen bonds link the molecules into chains along the c axis.


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