Publication | Open Access
Solvation of Carbon Dioxide in [C<sub>4</sub>mim][BF<sub>4</sub>] and [C<sub>4</sub>mim][PF<sub>6</sub>] Ionic Liquids Revealed by High‐Pressure NMR Spectroscopy
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2013
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Solid-state IonicInorganic ChemistryChemical EngineeringCarbon DioxideEngineeringCo2 SolubilityIonic ConductorHigh-pressure Nmr SpectroscopyHydrogen-bonded LiquidPhysical ChemistryHigh‐pressure Nmr SpectroscopyComputational ChemistryCo2 SolvationChemistryNuclear Magnetic Resonance SpectroscopyBiophysicsSolution (Chemistry)Ion Structure
Where is CO2 ? The intermolecular interactions of [C4 mim]BF4 and [C4 mim]PF6 ionic liquids and CO2 have been determined by high-pressure NMR spectroscopy in combination with molecular dynamic simulations. The anion and the cation are both engaged in interactions with CO2 . A detailed picture of CO2 solvation in these ILs is provided. CO2 solubility is essentially determined by the microscopic structure of the IL.
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