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Title: Stabilizing the Homopolycation (I4)2 with a Hexasulfate in (I4)[S6O19] and a Borosulfate in (I4)[B(S2O7)2]2.
Authors: van Gerven, David; Sutorius, Stefan; Bruns, Jörn; Wickleder, Mathias S.
Abstract: The reaction of elemental iodine and SO3 in a sealed glass ampoule yielded a turquoise‐colored solution. At temperatures below 7 °C, deep red crystals of (I4)[S6O19] grow. With the addition of B2O3 and pyridine‐SO3 complex red crystals of (I4)[B(S2O7)2]2 can be obtained after heating the mixture to 120 °C. The combination of an (I4)2 cation with oxoanions has previously not been observed. Both anions have a significant but different influence on the structural properties of the (I4)2 cation.
Subjects: OXYANIONS; SULFUR trioxide; IODINE; CRYSTAL structure; ANIONS; CRYSTALS
Publication: ChemistryOpen, 2022, Vol 11, Issue 11, p1
ISSN: 2191-1363
Publication type: Academic Journal
DOI: 10.1002/open.202200122

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Stabilizing the Homopolycation (I<sub>4</sub>)<sup>2 </sup> with a Hexasulfate in (I<sub>4</sub>)[S<sub>6</sub>O<sub>19</sub>] and a Borosulfate in (I<sub>4</sub>)[B(S<sub>2</sub>O<sub>7</sub>)<sub>2</sub>]<sub>2</sub>.