Solvation studies of sodium and lithium ions by sodium-23 and lithium-7 nuclear magnetic resonance

Erlich, Ronald H.; Roach, Eric T.; Popov, Alexander I.

doi:10.1021/ja00719a042

Cited by 105 publications

(26 citation statements)

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“…Although the 7 Li chemical shift does not show a linear dependence on the donicity of the pure solvent [13,18,19], the x iso (S) value can be used as a diagnostic criterion of the relative donicity of the two solvents in a binary mixture. In a binary mixture of acetonitrile DMF or DMSO, x iso (S) occurs at very low x(S) values, indicating the preferential solvation of Li by DMF or DMSO.…”

Section: LI Nmr Studiesmentioning

confidence: 99%

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Solvation Effect of Li⁺ on the Voltammetric Properties of [PMo₁₂O₄₀]³⁻. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Himeno¹,

Takamoto²,

Ueda³

et al. 2004

Electroanalysis

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, the presence of Li produced a two-electron wave at nearly the same potential as the first oneelectron wave in acetonitrile or acetone. The voltammetric behavior of [PMo 12 O 40 ] 3À in a binary mixture of acetonitrile and solvent S was compared with those in a mixture of acetone and S. When the donor number (DN) of S > 20, the first two-electron wave was converted into one-electron waves in such binary mixtures. The conversion occurred at lower mole fractions of S in an acetonitrile S mixture than in an acetone S mixture. The 7 Li NMR results showed that the preferential solvating ability of Li with S was greater in the former mixture. A linear relationship was found between the iso-solvation point x iso (S) and the reciprocal of the difference between the DNs of S and acetonitrile, which gave the basis to explain the anomalies observed for a mixture of acetonitrile and H 2 O.

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Section: LI Nmr Studiesmentioning

confidence: 99%

“…A linear plot of the 23 Na chemical shift against the DN of the pure solvent gave an estimation of the DN to be ca. 33 [19,21], indicating that H 2 O is more basic than DMSO (DN 29.8). However, the present voltammetric behaviors shown in Figures 2 and 3 cannot be accounted for on the basis of the DN of H 2 O 33.…”

Section: LI Nmr Studiesmentioning

confidence: 99%

Solvation Effect of Li⁺ on the Voltammetric Properties of [PMo₁₂O₄₀]³⁻. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Himeno¹,

Takamoto²,

Ueda³

et al. 2004

Electroanalysis

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“…19 Nevertheless, a small difference in the magnitude of peak current still was found within cation-containing electrolytes, presumably because of the effect of the cations on the dissociation of the electrolyte. As pointed out previously, 25 in acetonitrile, the cations of perchlorate salts exhibit a behavior of strong solvation. Therefore, the strength of this cation solvation affects the nucleophilic character of ClO 4 Ϫ and, hence, its insertion into a polyaniline network.…”

Section: Electrochemical Behavior Of the Tani-polyimide Film In A Nonmentioning

confidence: 57%

Electrochemical behavior of a new electroactive polyimide derived from aniline trimer

Meng

Wang

1999

J. Polym. Sci. A Polym. Chem.

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“…25) In this case, the matrices are regarded as donor solvents for cations. The donating power of solvents can be presumed by the number of hydroxy-oxygen and nitrogen atoms which have lone pair.…”

Section: Matrix E#ects On the Chiral Recognition Determined By The Rementioning

confidence: 99%

Matrix Effects on the Chiral Recognition Determined by the Relative Peak Intensity of Diastereomeric Host-Guest Complex Ions Using the FAB Mass Spectrometry/Enantiomer Labeled Guest Method.

Shizuma

Yamada

Adachi

et al. 2002

J. Mass Spectrom. Soc. Jpn.

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The FAB mass spectrometry (MS)/enantiomer labeled (EL) guest method is one of the useful technique to easily evaluate chiral discrimination ability of a chiral host (H) toward chiral guests (GR ῌ , GS῍d n ῌ ). In this paper, the matrix dependency of the relative peak intensity (IRIS) of the diastereomeric host῍guest complex ions [(Hῌ GR)ῌ and (HῌGS῍d n ) ῌ ] was investigated (host, MeFruNys; guest, Phe-O-iPr ῌ ). The IRIS values of spectra measured using NBA, NPOE, and DTDE matrices agreed almost with the ratio of concentrations of the complex ions calculated from the association constants (KR and KS) in chloroform at 298 K. While, the IRIS values of spectra using glycerol matrix reached almost unity. It was assumed that the IRIS values depend upon the matrices used since the di#erence of solvation ability of the matrices a#ects the actual concentration of the guest concerning in the complexation. And then, it was recommended that NBA is the best matrix for chiral recognition mass spectrometry studies.

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Solvation studies of sodium and lithium ions by sodium-23 and lithium-7 nuclear magnetic resonance

Cited by 105 publications

References 0 publications

Solvation Effect of Li⁺ on the Voltammetric Properties of [PMo₁₂O₄₀]³⁻. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Solvation Effect of Li⁺ on the Voltammetric Properties of [PMo₁₂O₄₀]³⁻. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Electrochemical behavior of a new electroactive polyimide derived from aniline trimer

Matrix Effects on the Chiral Recognition Determined by the Relative Peak Intensity of Diastereomeric Host-Guest Complex Ions Using the FAB Mass Spectrometry/Enantiomer Labeled Guest Method.

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Solvation studies of sodium and lithium ions by sodium-23 and lithium-7 nuclear magnetic resonance

Cited by 105 publications

References 0 publications

Solvation Effect of Li+ on the Voltammetric Properties of [PMo12O40]3−. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Solvation Effect of Li+ on the Voltammetric Properties of [PMo12O40]3−. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Electrochemical behavior of a new electroactive polyimide derived from aniline trimer

Matrix Effects on the Chiral Recognition Determined by the Relative Peak Intensity of Diastereomeric Host-Guest Complex Ions Using the FAB Mass Spectrometry/Enantiomer Labeled Guest Method.

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Product

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Solvation Effect of Li⁺ on the Voltammetric Properties of [PMo₁₂O₄₀]³⁻. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures

Solvation Effect of Li⁺ on the Voltammetric Properties of [PMo₁₂O₄₀]³⁻. Part 2: Comparative Studies on the Preferential Solvation in Acetonitrile+S and Acetone+S Mixtures