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Solvation of ionic liquids based on N-methyl-N-alkyl morpholinium cations in dimethylsulfoxide – volumetric and compressibility studies.

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Title: Solvation of ionic liquids based on N-methyl-N-alkyl morpholinium cations in dimethylsulfoxide – volumetric and compressibility studies.
Authors: Marcinkowski, Łukasz1, Kloskowski, Adam1, Czub, Jacek1, Namieśnik, Jacek2, Warmińska, Dorota1 dorwarmi@pg.gda.pl
Source: Journal of Chemical Thermodynamics. Sep2015, Vol. 88, p36-43. 8p.
Subjects: Ionic liquids, Solvation, Chemical processes, Molecular volume, Speed of sound
Abstract: The density and sound velocity of the solutions of ionic liquids based on N -alkyl- N -methyl-morpholinium cations, N -ethyl- N -methylmorpholinium bis(trifluoromethanesulfonyl)imide, N -butyl- N -methylmorpholinium bis(trifluoromethanesulfonyl)imide, N -methyl- N -octyl-morpholinium bis(trifluoromethanesulfonyl)imide and N -decyl- N -methylmorpholinium bis(trifluoromethanesulfonyl)imide in dimethylsulfoxide were measured at T = (298.15 to 318.15) K and at atmospheric pressure. The apparent molar volume and apparent molar compressibility values were evaluated from density and sound velocity values and fitted to the Masson equation from which the partial molar volume and partial molar isentropic compressibility of the ILs at infinite dilution were also calculated at working temperatures. By using the density values, the limiting apparent molar expansibilities were estimated. The effect of the alkyl chain length of the ILs and experimental temperature on these thermodynamic properties is discussed. In addition, molecular dynamics simulations were used to interpret the measured properties in terms of interactions of ILs with solvent molecules. Both, volumetric measurements results and molecular dynamics simulations for ionic liquids in dimethylsulfoxide were compared and discussed with results obtained for the same IL in acetonitrile. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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  Data: Solvation of ionic liquids based on N-methyl-N-alkyl morpholinium cations in dimethylsulfoxide – volumetric and compressibility studies.
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  Data: <searchLink fieldCode="DE" term="%22Ionic+liquids%22">Ionic liquids</searchLink><br /><searchLink fieldCode="DE" term="%22Solvation%22">Solvation</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+processes%22">Chemical processes</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+volume%22">Molecular volume</searchLink><br /><searchLink fieldCode="DE" term="%22Speed+of+sound%22">Speed of sound</searchLink>
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  Data: The density and sound velocity of the solutions of ionic liquids based on N -alkyl- N -methyl-morpholinium cations, N -ethyl- N -methylmorpholinium bis(trifluoromethanesulfonyl)imide, N -butyl- N -methylmorpholinium bis(trifluoromethanesulfonyl)imide, N -methyl- N -octyl-morpholinium bis(trifluoromethanesulfonyl)imide and N -decyl- N -methylmorpholinium bis(trifluoromethanesulfonyl)imide in dimethylsulfoxide were measured at T = (298.15 to 318.15) K and at atmospheric pressure. The apparent molar volume and apparent molar compressibility values were evaluated from density and sound velocity values and fitted to the Masson equation from which the partial molar volume and partial molar isentropic compressibility of the ILs at infinite dilution were also calculated at working temperatures. By using the density values, the limiting apparent molar expansibilities were estimated. The effect of the alkyl chain length of the ILs and experimental temperature on these thermodynamic properties is discussed. In addition, molecular dynamics simulations were used to interpret the measured properties in terms of interactions of ILs with solvent molecules. Both, volumetric measurements results and molecular dynamics simulations for ionic liquids in dimethylsulfoxide were compared and discussed with results obtained for the same IL in acetonitrile. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jct.2015.04.006
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 36
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      – SubjectFull: Ionic liquids
        Type: general
      – SubjectFull: Solvation
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      – SubjectFull: Chemical processes
        Type: general
      – SubjectFull: Molecular volume
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      – SubjectFull: Speed of sound
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      – TitleFull: Solvation of ionic liquids based on N-methyl-N-alkyl morpholinium cations in dimethylsulfoxide – volumetric and compressibility studies.
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            NameFull: Warmińska, Dorota
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              Text: Sep2015
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