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An Isolable Radical Anion of an Organosilicon Cluster Containing Only σ Bonds |
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| Authors: | Dr Kyohei Otsuka Naozumi Matsumoto Dr Shintaro Ishida Prof Dr Soichiro Kyushin |
| Affiliation: | 1. Division of Molecular Science, Graduate School of Science and Technology, Gunma University, Kiryu, Gunma 376‐8515 (Japan);2. Department of Chemistry, Graduate School of Science, Tohoku University, Aoba‐ku, Sendai 980‐8578 (Japan) |
| Abstract: | The radical anion of octa‐tert‐butyloctasilacubane was generated and isolated. The EPR spectrum showed the satellites due to the tertiary 13C nuclei of the eight tert‐butyl groups. The X‐ray crystallographic analysis showed that the Si? Si bonds are shortened and the Si? C bonds are elongated compared with those of octa‐tert‐butyloctasilacubane. These results are well explained by the distribution of an unpaired electron in the singly occupied molecular orbital (SOMO). |
| Keywords: | EPR spectroscopy octasilacubane organosilicon clusters radical anions X‐ray crystallographic analysis |
