Abstract
The reactions of ferrocene and decamethylferrocene with vinyltellurium trichloride Ph(Cl)C= C(Ph)TeCl3 afford unusual co-crystalline salts [Cp2Fe]+Cl–Ph(Cl)C=C(Ph)TeCl2OH (I) and [(C5Me5)2Fe]+Cl–(Ph(Cl)C=C(Ph)TeCl2OH) (II). The Ph(Cl)C=C(Ph)TeCl2OH molecule in these salts is neutral and forms only non-covalent (hydrogen and chalcogen) bonds with the chloride ion. The hydrolytic replacement of a chlorine atom not involved in the three-center four-electron Cl–Te–Cl bond in Ph(Cl)C=C(Ph)TeCl3 is due to the general moisture sensitivity of organic telluriium halides, and the accompanying oxidation of ferrocene is not a necessary condition for the formation of Ph(Cl)C=C(Ph)TeCl2OH (III). (CCDC nos. 1908530 (I), 1908531 (II), 1908532 (III).)
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