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Acta Cryst. (2008). E64, m197-m198 [ doi:10.1107/S1600536807066378 ]
![[mu]](/logos/entities/mu_rmgif.gif)
3-oxido-bis(2-quinaldato-![[kappa]](/logos/entities/kappa_rmgif.gif)
2O:O)bis(quinaldato-2N,O)tetrakis[di-n-butyltin(IV)]Abstract: The title tetranuclear SnIV complex, [Sn4(C4H9)8(C10H6NO2)4O2], is a cluster built up by inversion symmetry around the central Sn2O2 ring. The coordination geometries of the Sn atoms involved can be classified into two types: the five-coordinate Sn atoms of the central Sn2O2 core have a trigonal-bipyramidal geometry, with axial positions occupied by a 3-O atom and a 2-O atom belonging to the nonchelating quinaldate ligand. The peripheral Sn atoms are six-coordinate, with a distorted octahedral geometry. The methyl group of an n-butyl ligand is disordered over two sites, with occupancies of 0.643 (12) and 0.357 (12).
Online 18 December 2007
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