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Association structures of ionic liquid/DMSO mixtures studied by high-pressure infrared spectroscopy
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10.1063/1.3526485
/content/aip/journal/jcp/134/4/10.1063/1.3526485
http://aip.metastore.ingenta.com/content/aip/journal/jcp/134/4/10.1063/1.3526485

Figures

Image of FIG. 1.
FIG. 1.

Concentration dependence of the C–H stretching frequency of /DMSO-d6 versus the mole fraction of .

Image of FIG. 2.
FIG. 2.

Pressure dependence of IR spectra of pure under (a) ambient pressure and at (b) 0.3 GPa, (c) 0.9 GPa, (d) 1.5 GPa, (e) 1.9 GPa, (f) 2.3 GPa, and (g) 2.5 GPa.

Image of FIG. 3.
FIG. 3.

IR spectra of a /DMSO-d6 mixture (mole fraction of : ca. 0.15) obtained under ambient pressure (curve a) and at 0.3 GPa (curve b), 0.9 GPa (curve c), 1.5 GPa (curve d), 1.9 GPa (curve e), 2.3 GPa (curve f) and 2.5 GPa (curve g).

Image of FIG. 4.
FIG. 4.

IR spectrum of pure (curve a) and pressure dependence of IR spectra of pure under (b) ambient pressure and at (c) 0.3 GPa, (d) 0.9 GPa, (e) 1.5 GPa, (f) 1.9 GPa, (g) 2.3 GPa, and (h) 2.5 GPa.

Image of FIG. 5.
FIG. 5.

IR spectra of a /DMSO-d6 mixture having mole fraction of EMI+TFSA equal to 0.14 obtained under ambient pressure (curve a) and at 0.3 GPa (curve b), 0.9 GPa (curve c), 1.5 GPa (curve d), 1.9 GPa (curve e), 2.3 GPa (curve f) and 2.5 GPa (curve g).

Image of FIG. 6.
FIG. 6.

IR spectra of a /D2O mixture having mole fraction of equal to 0.06 obtained under ambient pressure (curve a) and at 0.3 GPa (curve b), 0.9 GPa (curve c), 1.5 GPa (curve d), 1.9 GPa (curve e), 2.3 GPa (curve f), and 2.5 GPa (curve g).

Image of FIG. 7.
FIG. 7.

Raman spectra of a /DMSO-d6 mixture (mole fraction of : ca. 0.5) obtained under ambient pressure (curve a) and at 0.3 GPa (curve b), 0.9 GPa (curve c), 1.5 GPa (curve d), 1.9 GPa (curve e), 2.3 GPa (curve f) and 2.5 GPa (curve g). Curve h shows the C-D stretching of pure DMSO-d6 under the pressure of 2.5 GPa.

Tables

Generic image for table
Table I.

Calculated relative energies (hartree/mol) and total interaction energies (kcal/mol)

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/content/aip/journal/jcp/134/4/10.1063/1.3526485
2011-01-24
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Association structures of ionic liquid/DMSO mixtures studied by high-pressure infrared spectroscopy
http://aip.metastore.ingenta.com/content/aip/journal/jcp/134/4/10.1063/1.3526485
10.1063/1.3526485
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