Labile adducts of TiCl4 with thionyl chloride structurally characterized at low temperature: a comparison with the zirconium and hafnium analogues, [MCl4(SOCl2)]2

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Fausto Calderazzo, Michele D'Attoma, Fabio Marchetti, Guido Pampaloni and Sergei I. Troyanov


Abstract

The thermally unstable (decomp. ca. –30°C) titanium derivative [TiCl4(SOCL2)]2, prepared from TiCI4 and SOCI2, forms three crystalline modifications (I–III) in temperature range between 220 and 234 K; these modifications differ in the orientation of the SOCI2 ligand with respect to the titanium-containing fragment within the dinuclear molecule and and in the packing modes due to intermolecular S˙ ˙ ˙CL interactions at distances between 3.25 and 3.82 Å.


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