Deka, Rajesh, Sarkar, Arup, Singh, Harkesh B., Junk, Peter C., Turner, David R., and Deacon, Glen B. (2020) Synthesis, characterization, and theoretical studies of cis-Dichloridobis(8-quinolinethiolato)tin(IV) and bis(8-Sulfanylquinolinium) Hexachloridostannate(IV) derivatives. Australian Journal of Chemistry, 73 (12). pp. 1128-1137.

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Abstract

The structural characterisation of bis(8-sulfanylquinolinium) hexachloridostannate(IV) (2) is reported and the variable reaction behaviour of this compound in different solvents has been explored. In particular, attempted recrystallization of 2 from chloroform and dichloromethane affords two polymorphs of cis-dichloridobis(8-quinolinethiolato)tin(IV), 3m and 3t, respectively. Attempted recrystallization of 2 from methanol gives crystals of 8,8'-dithiodiquinolinium hexachloridostannate(IV) 4. When 2 is dissolved in dimethyl sulfoxide in the presence of air, it undergoes oxidation to afford diquinolinyl-8,8'-disulfide 5. The molecular structures of the isolated compounds 2-4 are unambiguously authenticated by single crystal X-ray diffraction studies. The electronic structure properties of all the isolated compounds 2-4 are thoroughly studied by DFT calculations.

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