The synthesis and X-ray crystal structure of triiodotellurium(IV) hexafluoroarsenate(V), TeI3AsF6
- 1 October 1981
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 59 (19) , 2876-2878
- https://doi.org/10.1139/v81-417
Abstract
TeI3AsF6 was prepared quantitatively from the reaction of iodine, tellurium, and arsenic pentafluoride in sulphur dioxide solution. Single crystals of TeI3AsF6 are monoclinic, a = 8.243(2), b = 10.755(2), c = 12.660(2) Å; β = 100.91(2)°, V = 1102 Å3. The structure was refined in the space group P21/c to a conventional R factor of 0.075 for 1551 independent reflections with I ≥ 2σ(I). The structure consists of essentially discrete TeI3+ cations and AsF6– anions with some cation–anion interaction. The TeI3+ cation has approximate C3v symmetry with an average Te—I distance of 2.667 Å and I—Te—I angle of 99.90°.Keywords
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