New insights into the oxidation of phenoxatellurine with sulfuric acid
Author:
Mostaghimi Farzin,Bolsinger Jens,Lork Enno,Beckmann Jens
Abstract
Abstract
The oxidation of phenoxatellurine (PT) with conc. H2SO4 was reinvestigated. Two crystalline products, namely [PT2][H3O](SO4H)3 (1) and [PT](SO4) (2) were isolated and fully characterized by X-ray crystallography. The structure of 1 features [PT2]2+ dications giving rise to double-decker structures with two parallel PT layers that arise from dimerisation of two radical cations [PT]˙+. The [PT2]2+ dications and the hydrogensulfate ions are associated via secondary Te···O interations. The oxonium ion and the hydrogensulfate ions are involved in hydrogen bonding. The structure of 2 comprises ion pairs consisting of [PT]2+ dications and sulfate ions, which form a 2D coordination polymer. In addition, adjacent sulfate ions in the crystal lattice bind to tellurium atoms via secondary secondary Te···O interations.
Publisher
Walter de Gruyter GmbH
Subject
Materials Chemistry,Metals and Alloys,Condensed Matter Physics,General Chemistry
Reference20 articles.
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3. The crystal structure of phenoxatellurine, C12H8OTe;J. Heterocyclic Chem,1973
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