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Determining the Coordination Number of Li+ and Glyme or Poly(ethylene glycol) in Solution Using Attenuated Total Reflectance-Far Ultraviolet Spectroscopy

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Abstract

Attenuated total reflectance-far ultraviolet (ATR-FUV) spectra of Li+ and polyether ligands, such as glymes and poly (ethylene glycol) (PEG), in solution give information about changes in the electronic states of the ligands. From the ATR-FUV spectra, the coordination numbers between Li++ and monoglyme, diglyme, triglyme, and PEG400 were determined to be 4, 5, 6, and 5, respectively. Our results indicate that Li+ is coordinated only by the ligands rather than its counter-ions.

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Authors and Affiliations

  1. Major in Science, Graduate School of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan

    Nami Ueno

  2. Department of Science, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan

    Tomonari Wakabayashi & Yusuke Morisawa

Authors
  1. Nami Ueno
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  2. Tomonari Wakabayashi
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  3. Yusuke Morisawa
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Correspondence to Yusuke Morisawa.

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Ueno, N., Wakabayashi, T. & Morisawa, Y. Determining the Coordination Number of Li+ and Glyme or Poly(ethylene glycol) in Solution Using Attenuated Total Reflectance-Far Ultraviolet Spectroscopy. ANAL. SCI. 36, 91–93 (2020). https://doi.org/10.2116/analsci.19C011

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  • DOI: https://doi.org/10.2116/analsci.19C011

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