An ESR investigation of triple ions derived from 1,2,4,5-tetramesitoylbenzene |
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| Authors: | M Celina RLR Lazana Bernardo J Herold Neil M Atherton |
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| Institution: | Centro de Processos Químicos da Universidade Técnica P- 1096 Lisboa Codex, Portugal;Department of Chemistry, The University, Sheffield S3 7HF, England |
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| Abstract: | Stable triple ions were obtained in MTHF solution from the ion pairs of 1,2,4,5-tetramesitoylbenzene (TMB) radical anion and alkali metal cations by reaction with soluble alkali metal salts. Their ESR spectra are highly resolved. MO calculations with parameters which lead to spin density values as nearly as possible equal to the experimental ones allow estimates of the oxygen-metal distances. The relatively most stable triple ions are the ones with the smallest estimated oxygen metal distances. |
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