Synthesis, Crystal Structures, and Photophysical Properties of Electron-Accepting Diethynylindenofluorenediones
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https://figshare.com/articles/dataset/Synthesis_Crystal_Structures_and_Photophysical_Properties_of_Electron_Accepting_Diethynylindenofluorenediones/2663419
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A series of 6,12-bis[(trialkylsilyl)ethynyl]indeno[1,2-b]fluorene-5,11-diones has been synthesized. X-ray crystallographic analysis of these compounds reveals that triisopropylsilyl (TIPS) substitution on the alkyne terminus affords the largest number of intermolecular π−π interactions in the solid state. Conversely, use of trialkylsilyl groups smaller or larger than TIPS furnishes a variety of crystal-packing motifs that contain fewer π−π interactions. Electrochemical and photophysical data suggest that these molecules are excellent electron-accepting materials.
创建时间：
2016-02-23
