Abstract
AbstractThe diorganotin(IV) dichlorides R2SnCl2 (R: Ph, PhCH2 or n‐Bu) react with 2‐mercapto‐6‐nitrobenzothiazole (MNBT) in benzene to give [Ph2SnCl(MNBT)] (1), [(PhCH2)2Sn(MNBT)2] (2) and [(n‐Bu)2Sn(MNBT)2] (3). The three complexes have been characterized by elemental analysis and IR, 1H, 13C and 119Sn NMR spectroscopies. X‐ray studies of the crystal structures of 1, 2 and 3 show the following. The tin environment for complex 1 is distorted cis‐trigonal bipyramid with chlorine and nitrogen atoms in apical positions. The structure of complex 2 is a distorted octahedron with two benzyl groups in the axial sites. The geometry at the tin atom of complex 3 is that of an irregular octahedron. Interestingly, intra‐molecular non‐bonded Cl…S interactions and S…S interaction were recognized in the crystallographic structures of 1 and 3 respectively. As a result, complex 1 is a polymer and complex 3 is a dimer. Copyright © 2003 John Wiley & Sons, Ltd.
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