The crystal structure of β-dimethyltellurium di-iodide
- 1 January 1967
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2018-2023
- https://doi.org/10.1039/j19670002018
Abstract
Crystals of β-dimethyltellurium di-iodide are monoclinic, a= 8·12, b= 19·30, c= 10·58 Å, β= 103·3°, Z= 8(Me2Tel2), space-group P21/c. The structure was determined with Mo–Kα counter data, the final R being 0·09 for 1200 observed reflexions. The crystal is ionic, [Me3Te]+[MeTel4]–, and is built up from trigonal pyramidal Me3Te+ cations with Te–C = 2·07 Å, ∠ C–Te–C = 95°, and square pyramidal MeTel4 – anions with Te–C = 2·15 Å, Te–l = 2·84–2·98 Å. The ions are bridged by four weak Te ⋯ l interactions (distances 3·84, 3·88, 3·97, 4·00 Å), which complete a distorted octahedral environment around each tellurium atom.Keywords
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