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A concave indolo[3,2,1- jk ]carbazole-based mostly compound was synthesized and characterized, which was even more in comparison with the property of its planar congener. The benefits reveal that the modify in molecular condition alters the molecular electronic structure, as a result top to the minimized aromaticity and divergent electricity levels of frontier molecular orbitals of the concave compound. Also, the bowl-formed molecule demonstrates a blue-change in the UV/vis absorption and a purple-change in the weakened fluorescence emission due to the vibration of the concave facial area.
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