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Octa-N-Butyl-1kappac,2kappac,3kappac,4kappac-Tetra-Kis(Mu-2-Hydroxy-Benzoato)-1:2 Kappao:O;2:3kappao:O';3:4kappao:O;1:4kappao:O'-Di-Mu(3)-Oxido-1:2:3kappao:O:O;1:3 :4kappao:O:O-Tetra-Tin(Iv), M Misran

Misni Misran

In the centrosymmetric tetra-nuclear title compound, [Sn4(C4H9)8(C7H5O3) 4O2], one of the two independent Sn atoms is five-coordinate in a cis-C2SnO3 trigonal-bipyramidal geometry [C - Sn - C = 142.7 (1)°]; the geometry is distorted owing to a long Sn⋯O(double bond) inter-action [Sn⋯O = 2.862 (1) Å]. The other Sn atom has a bent R 2Sn skeleton [C - Sn - C = 144.0 (1)°], but the geometry is best regarded as being a trans-C2SnO4 octa-hedron as the Sn-O(single bond) inter-action is shorter [Sn - O = 2.674 (1) Å].