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Macrocyclic High-Spin (S=2) Molecule: Spin Identification of a Sterically Rigid Metacyclophane-Based Nitroxide Tetraradical by Two-Dimensional Electron Spin Transient Nutation Spectroscopy

Authors

  • Takatoshi Sawai,

    1. Departments of Chemistry and Materials Science, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan, Fax: (+81) 6-6605-2522
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  • Kazunobu Sato Prof. Dr.,

    1. Departments of Chemistry and Materials Science, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan, Fax: (+81) 6-6605-2522
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  • Tomoaki Ise Dr.,

    1. Departments of Chemistry and Materials Science, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan, Fax: (+81) 6-6605-2522
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  • Daisuke Shiomi Prof. Dr.,

    1. Departments of Chemistry and Materials Science, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan, Fax: (+81) 6-6605-2522
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  • Kazuo Toyota Dr.,

    1. Departments of Chemistry and Materials Science, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan, Fax: (+81) 6-6605-2522
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  • Yasushi Morita Prof. Dr.,

    1. Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
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  • Takeji Takui Prof. Dr.

    1. Departments of Chemistry and Materials Science, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan, Fax: (+81) 6-6605-2522
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  • This work has been supported by Grants-in-Aids for Scientific Research from the Ministry of Education, Sports, Culture, Science and Technology (Japan). One of the authors (T.S.) acknowledges Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists.

Abstract

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Ein Spin-Quintett: Die elektronische und Molekülstruktur des von einem Metacyclophan abgeleiteten Spin-Quintett-Tetraradikals 1 mit sterisch bedingter starrer Struktur und kleinen Feinstrukturparametern wird charakterisiert. Mit Puls-ESR-basierter 2D-Elektronenspin-Nutationsspektroskopie wurde die Spinmultiplizität von 1 zweifelsfrei ermittelt sowie seine Feinstrukturparameter und g-Werte erhalten.

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