Cesium hydroperoxostannate: First complete structural characterization of a homoleptic hydroperoxocomplex

Andrei V. Churakov, Sergey Sladkevich, Ovadia Lev, Tatiana A. Tripol'Skaya, Petr V. Prikhodchenko

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

The crystal structure of cesium hexahydroperoxostannate Cs 2Sn(OOH)6 is presented. The compound was characterized by single crystal and by powder X-ray diffraction, FTIR, 119Sn MAS NMR, and TG-DTA. Cs2Sn(OOH)6 crystallizes in the trigonal space group P3 a = 7.5575(4), c = 5.1050(6) ̊, V = 252.51(4) ̊3, Z = 1, R1 = 0.0120 (I > 2σ(I)), wR2 = 0.0293 (all data), and comprises cesium cations and slightly distorted octahedral [Sn(OOH)6]2- anions lying on the threefold axis. The [Sn(OOH)6]2- unit forms 12 interanion hydrogen bonds resulting in anionic chains spread along the c-axis. All six hydroperoxo ligands are crystallographically equivalent; O-O distances are 1.482(2), only slightly longer than the O-O distance in hydrogen peroxide. FTIR and 119Sn MAS NMR reveal the similarity between all alkali hydroperoxostannates.

Original languageAmerican English
Pages (from-to)4762-4764
Number of pages3
JournalInorganic Chemistry
Volume49
Issue number11
DOIs
StatePublished - 7 Jun 2010

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