Cation-anion interactions in 2-propanol solutions of sodium salts NaY (Y = MeS, iPrS, tBuS, iPrO, SCN, ClO4, Ph4B) have been studied by Na-23-NMR spectroscopy, The analysis involved measurements of chemical shift and T-1 as a function of salt concentration in both the absence and presence of the Na+-complexing agent 18-crown-6. The results indicate that the interactions of Na+ with alkoxides and thiol anions are very different from those with charge-delocalized anions (SCN-, ClO4-, Ph4B-), and that the degree of association in NaSR salts is greater for R = tBu than for R = Me.

Investigation of cation-anion interactions in 2-propanol solutions of sodium alkoxides and thiolates by Na-23-NMR spectroscopy

BAGNO, ALESSANDRO;PARADISI, CRISTINA;SCORRANO, GIANFRANCO
2000

Abstract

Cation-anion interactions in 2-propanol solutions of sodium salts NaY (Y = MeS, iPrS, tBuS, iPrO, SCN, ClO4, Ph4B) have been studied by Na-23-NMR spectroscopy, The analysis involved measurements of chemical shift and T-1 as a function of salt concentration in both the absence and presence of the Na+-complexing agent 18-crown-6. The results indicate that the interactions of Na+ with alkoxides and thiol anions are very different from those with charge-delocalized anions (SCN-, ClO4-, Ph4B-), and that the degree of association in NaSR salts is greater for R = tBu than for R = Me.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/1571430
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