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Acta Cryst. (2002). E58, m697-m699  [ doi:10.1107/S1600536802020020 ]


M. M. Amini, S. H. Abadi, M. Mirzaee, T. Lügger, F. E. Hahn and S. W. Ng

Abstract: In centrosymmetric octamethyl-1[kappa]2C,2[kappa]2C,3[kappa]2C,4[kappa]2C-tetrakis-[mu]-benzoato-1:2[kappa]2O,O';2:3[kappa]2O;3:4[kappa]2O,O';1:4[kappa]2O-bis-[mu]3-oxo-1:2:3k3O;1:3:4k3O-tetratin, [[(CH3)2SnO2CC6H5]2O]2; the exocyclic Sn atom is five-coordinated and has a trans-C3SnO2 trigonal bipyramidal geometry [C-Sn-C = 139.4 (2)°] and the endocyclic Sn atom is six-coordinated and has a severely distorted trans-C2SnO4 octahedral geometry [C-Sn-C = 145.6 (2)°].

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