Conclusions
It is suggested that the physical and chemical behavior of the aryllithium compounds results from the low value of the singlet-triplet state separation δEST since this entails that a considerable proportion of the molecules be in the lower excited triplet state.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 307–310, February, 1979.
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Abronin, I.A., Shteinshneider, A.Y., Zhidomirov, G.M. et al. Effect of low-lying excited triplet states on the physical and chemical properties of aryllithium compounds. Russ Chem Bull 28, 281–284 (1979). https://doi.org/10.1007/BF00925867
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DOI: https://doi.org/10.1007/BF00925867