π-Extended Doublet Open-Shell Graphene Fragments Exhibiting One-Dimensional Chain Stacking

The hitherto elusive benzo[ ]anthanthrenyl radical derivatives composed of seven fused six-membered rings are synthesized and isolated in the crystalline form, representing a laterally π-extended doublet open-shell graphene fragment compared to the phenalenyl and olympicenyl radical structures. X-ra...

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Published inJournal of the American Chemical Society Vol. 144; no. 5; pp. 2095 - 2100
Main Authors Guo, Yupeng, Ding, Shuaishuai, Zhang, Na, Xu, Zhuofan, Wu, Shaofei, Hu, Jinlian, Xiang, Qin, Li, Zhao-Yang, Chen, Xing, Sato, Sota, Wu, Jishan, Sun, Zhe
Format Journal Article
LanguageEnglish
Published United States 09.02.2022
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Summary:The hitherto elusive benzo[ ]anthanthrenyl radical derivatives composed of seven fused six-membered rings are synthesized and isolated in the crystalline form, representing a laterally π-extended doublet open-shell graphene fragment compared to the phenalenyl and olympicenyl radical structures. X-ray crystallographic analysis revealed one-dimensional chain stacking with relatively close intermolecular contacts, which is an important precondition for achieving single-component conductors. The magnetic, optical, and redox properties are investigated in the solution phase. In combination with the good stability, such open-shell molecular systems have potentials as functional electronic materials.
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ISSN:0002-7863
1520-5126
DOI:10.1021/jacs.1c12854