Spectral study of reactions of La@C82 and Y@C82 with amino-containing solvents |
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| Authors: | Solodovnikov S. P. Tumanskii B. L. Bashilov V. V. Lebedkin S. F. Sokolov V. I. |
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| Affiliation: | (1) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991 Moscow, Russian Federation;(2) Karlsruhe Research Center, Institute of Nuclear Solid State Physics, D-76021 Karlsruhe, Germany |
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| Abstract: | A solvent effect on the electronic absorption UV-VIS and ESR spectra of La@C82 and Y@C82 was found. The UV-VIS spectra of La@C82 in pyridine, dimethylformamide, and hexamethylphosphorotriamide are identical with that of the La@C82– anion, which is evidence for La@C82 reduction in these solvents. In amino-containing solvents, the shape of the ESR spectra depends on the temperature and the time of preparation of the solutions. Changes in the ESR spectra of La@C82 and Y@C82 in dimethylformamide are due to functionalization of these compounds upon reduction. |
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| Keywords: | endohedral metallofullerenes ESR spectroscopy reduction amino-containing solvents electronic absorption spectra |
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