Abstract
Six phenyltin trichloroacetate complexes have been synthesised and their structures established by X-ray crystallography. The complex SnPh3(O2CCCl3)·MeOH (1)(R= 0.0296 for 1 770 unique observed reflections) is a five-co-ordinate monomer. Complexes (2) and (4) are isomers of {[SnPh2(O2CCCl3)]2O}2(R= 0.0918 for 3 185 reflections and R= 0.0379 for 3 132 reflections respectively). They are centrosymmetric dimers respectively with all their carboxylate groups bridging, and with half of them unidentate. The complex Sn6Ph6(O2CCCl3)10O4·2C6H6(3)(R= 0.0521 for 2 556 reflections) is a linear hexatin compound containing three (SnâO)2 stannoxane rings. Complex (6) is also a hexatin compound [SnPh(O2CCCl3)O]6·3C6H6(R= 0.0296 for 1 921 reflections) with a drum structure. The complex Sn4Ph8(O2CCCl3)6(OH)2(5)(R= 0.0454 for 3 111 reflections) is a novel linear chain connected by hydroxy and acetate bridges. Compounds (2)â(4) and (6) were all formed by dearylation reactions starting from di- and tri-phenyl tin compounds.
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