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Abstract
Abstract The reaction of hexamethyldisilane with tellurium tetrachloride in carbon disulfide afforded polymeric (MeTeCl3)n (1) that was characterized by TOF ES mass spectroscopy, 125Te NMR spectroscopy, and X-ray crystallography. Pale brown, air-and moisture-sensitive crystals of 1 are monoclinic, space group P21/n with a = 1030.69(5), b = 643.61(2), c = 1041.68(5) pm, ß = 119.236(5)°, V = 0.60299(5) nm3, and Z = 4. The crystal structure consists of infinite helical chains of the MeTeCl3 units linked by bridging chlorine atoms. The polymeric chains are linked together by Te···Cl and Cl···Cl close contacts. The possible routes for the formation of (MeTeCl3)n are discussed.
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