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

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

A spin quintet: The electronic and molecular structure of the metacyclophane‐based spin‐quintet tetraradical 1 with a sterically controlled rigid structure and small fine‐structure parameters is characterized. Pulse‐ESR based 2D electron spin nutation spectroscopy allows the spin multiplicity of 1 t...

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Veröffentlicht in:Angewandte Chemie (International ed.) 2008-05, Vol.47 (21), p.3988-3990
Hauptverfasser: Sawai, Takatoshi, Sato, Kazunobu, Ise, Tomoaki, Shiomi, Daisuke, Toyota, Kazuo, Morita, Yasushi, Takui, Takeji
Format: Artikel
Sprache:eng
Schlagworte:
electron spin transient nutation
EPR spectroscopy
high-spin systems
macrocycles
radicals
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Zusammenfassung:A spin quintet: The electronic and molecular structure of the metacyclophane‐based spin‐quintet tetraradical 1 with a sterically controlled rigid structure and small fine‐structure parameters is characterized. Pulse‐ESR based 2D electron spin nutation spectroscopy allows the spin multiplicity of 1 to be unequivocally identified, providing its fine‐structure parameters and g‐values.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200705583