Highly oxidized States of Phthalocyaninato Terbium(III) Multiple-Decker Complexes Showing Structural Deformations, Biradical Properties and Decreases in Magnetic Anisotropy
Presented here is a comprehensive study of highly oxidized multiple-decker complexes composed of TbIII and CdII ions and two to five phthalocyaninato ligands, which are stabilized by electron-donating n-butoxy groups. From X-ray structural analyses, all the complexes become axially compressed upon l...
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| Hauptverfasser: | , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2020
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| In: |
Chemistry - a European journal
Year: 2020, Jahrgang: 26, Heft: 39, Pages: 8621-8630 |
| ISSN: | 1521-3765 |
| DOI: | 10.1002/chem.202001365 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1002/chem.202001365 Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/chem.202001365 
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| Verfasserangaben: | Yoji Horii, Marko Damjanović, M.R. Ajayakumar, Keiichi Katoh, Yasutaka Kitagawa, Liviu Chibotaru, Liviu Ungur, Marta Mas-Torrent, Wolfgang Wernsdorfer, Brian K. Breedlove, Markus Enders, Jaume Veciana, and Masahiro Yamashita |
MARC
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| 245 | 1 | 0 | |a Highly oxidized States of Phthalocyaninato Terbium(III) Multiple-Decker Complexes Showing Structural Deformations, Biradical Properties and Decreases in Magnetic Anisotropy |c Yoji Horii, Marko Damjanović, M.R. Ajayakumar, Keiichi Katoh, Yasutaka Kitagawa, Liviu Chibotaru, Liviu Ungur, Marta Mas-Torrent, Wolfgang Wernsdorfer, Brian K. Breedlove, Markus Enders, Jaume Veciana, and Masahiro Yamashita |
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| 520 | |a Presented here is a comprehensive study of highly oxidized multiple-decker complexes composed of TbIII and CdII ions and two to five phthalocyaninato ligands, which are stabilized by electron-donating n-butoxy groups. From X-ray structural analyses, all the complexes become axially compressed upon ligand oxidation, resulting in bowl-shaped distortions of the ligands. In addition, unusual coexistence of square antiprism and square prism geometries around metal ions was observed in +4e charged species. From paramagnetic 1H NMR studies on the resulting series of triple, quadruple and quintuple-decker complexes, ligand oxidation leads to a decrease in the magnetic anisotropy, as predicted from theoretical calculations. Unusual paramagnetic shifts were observed in the spectra of the +2e charged quadruple and quintuple-decker complexes, indicating that those two species are actually unexpected triplet biradicals. Magnetic measurements revealed that the series of complexes show single-molecule magnet properties, which are controlled by the multi-step redox induced structural changes. | ||
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| 700 | 1 | |a Yamashita, Masahiro |e VerfasserIn |4 aut | |
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