Triclinic Modification of di-n-butylbis(2-Hydroxybenzoato-Kappa O-2(1),O-1 ')tin(IV)

The Sn atom in the title compound, Sn(C4H9)2(C7H5O3)2, is chelated by the carboxyl-ate groups of 2-hydroxy-benzoate liagnds, and exists in a six-coordinate skew-trapezoidal bipyramidal coordination geometry C - Sn - C = 140.1 (3)°.