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

Bis(1,1,3,3-tetramethyl-1,3-dibenzoatodistannoxane)

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

Abstract: In centrosymmetric octamethyl-1²C,2²C,3²C,4²C-tetrakis--benzoato-1:2²O,O';2:3²O;3:4²O,O';1:4²O-bis-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)°].

Online 15 November 2002

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