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High-Spin Diradical Dication of Chiral π-Conjugated Double Helical Molecule.
We report an air-stable diradical dication of chiral D(2)-symmetric conjoined bis[5]diazahelicene with unprecedented high spin (triplet) ground state, singlet triplet energy gap, ΔE(ST) = 0.3 kcal mol(−1). The diradical dication possesses closed-shell (Kekulé) resonance forms with 16 π-electron peri...
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| Publicado no: | J Am Chem Soc |
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| Main Authors: | , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7039282/ https://ncbi.nlm.nih.gov/pubmed/31596077 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/jacs.9b08711 |
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