Abstract
Abstract This paper describes the synthesis and properties of adducts which form between triphenyltelluronium halides, Ph3TeX, and titanium(IV) halides, TiX4 (where X = Cl, Br, I). 1:1, Ph3TeX.TiX4 and 2:1, 2Ph3TeX.TiX4 type products are obtained by reactions of Ph3TeCl and Ph3TeBr with the corresponding titanium tetrahalides. However, Ph3TeI and TiI4 yield only Ph3TeI.TiI4. Conductivity and molecular weight determination are consistent with their dissociation in dilute solution as Ph3Te+ and TiX5 − or Ph3Te+ and TiX6 2− units. Far i.r. spectra reflect the formation of TiX5 − and TiX6 2− species, respectively, for 1:1 and 2:1 adducts. Thus, the formulations of these compounds are given as [Ph3Te]+ [TiX5]−, triphenyltelluronium pentahalotitanate(IV), and [{Ph3Te}+]3, triphenyltelluronium hexahalotitanate(IV).
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