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Mössbauer spectra of Eu(III) and Gd(III) complexes of phosphine oxides with chelating perchlorate

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Abstract

The reaction of Ln(ClO4)3· nH2O with triphenylphosphine oxide (TPPO) in methanol has led to the formation of [Ln(ClO4)2(tppo)4]ClO4·MeOH (Ln = Nd, Eu, Gd, Dy, Yb), in which the perchlorate anion acts as a symmetric bidentate. The emission spectra of Eu(III)-TPPO complexes, showing enhancement in the intensity due to the phenyl group, indicate an isotropic electron distribution for the nitrato complex [Eu(NO3)3(tppo)2(EtOH)]. 151Eu and 155Gd Mössbauer spectra of the TPPO complexes also lead to the same conclusion.

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Authors and Affiliations

  1. Toho University, Funabashi, Chiba, 274-8510, Japan

    Masashi Takahashi & Yuya Hirai

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  1. Masashi Takahashi
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  2. Yuya Hirai
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Correspondence to Masashi Takahashi.

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Takahashi, M., Hirai, Y. Mössbauer spectra of Eu(III) and Gd(III) complexes of phosphine oxides with chelating perchlorate. Hyperfine Interact 205, 37–40 (2012). https://doi.org/10.1007/s10751-011-0459-5

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  • DOI: https://doi.org/10.1007/s10751-011-0459-5

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