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Alkylation of tellurium tetrachloride by trimethylaluminum. Synthesis and molecular structure of [Te(CH3)3][Al(CH3)2Cl2]: A novel organotelluronium-aluminum oligomer

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Abstract

Reaction of TeCl4 with A1(CH3)3 in toluene affords the crystalline product [Te(CH3)3][Al(CH3)2Cl2]. The title compound crystallized in the monoclinic space group P21/n with unit cell parametersa=11.630(3),b=12.595(4),c=8.409(2) Å,β=89.97(2)°, andD c =1.62 g cm−3 forZ=4. Least-squares refinement based on 1354 observed reflectionsI≥3σ (I) in the range 3.5<2Θ<45.0° led to a finalR factor of 0.046 (R w =0.067). The compound does not exist as discrete cations and anions but may be described as an organotelluronium-aluminum oligomer. The mean Te-C bond distance is 2.130(11) Å while the mean Al-Cl bond distance is 2.221(4) Å.

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Authors and Affiliations

  1. Department of Chemistry, Clemson University, 29634-1905, Clemson, South Carolina

    Samuel A. Sangokoya, William T. Pennington & Gregory H. Robinson

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  1. Samuel A. Sangokoya
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  2. William T. Pennington
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  3. Gregory H. Robinson
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Sangokoya, S.A., Pennington, W.T. & Robinson, G.H. Alkylation of tellurium tetrachloride by trimethylaluminum. Synthesis and molecular structure of [Te(CH3)3][Al(CH3)2Cl2]: A novel organotelluronium-aluminum oligomer. Journal of Crystallographic and Spectroscopic Research 19, 433–438 (1989). https://doi.org/10.1007/BF01185380

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  • DOI: https://doi.org/10.1007/BF01185380

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