A fluorenylidene-acridane that becomes dark in color upon grinding – ground state mechanochromism by conformational change† †Electronic supplementary information (ESI) available: X-ray crystallographic data for 5 and 6a, UV-vis light absorption spectra for 6b and c, fluorescence and IR spectra for 6a, theoretical calculation data (HOMO and LUMO and light absorption) for FAs, thermal analysis data for 6a–d, powder X-ray diffraction data for 6a–d, high-pressure X-ray single crystal analysis data (4.6–3.9 GPa) for 6a, cyclic voltammetry for 6a and d, and carrier transport measurement data for 6a and d. CCDC 1457735–1457738. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc03567e
نویسندگان
چکیده
Department of Chemistry, School of Scienc Bunkyo-ku, Tokyo 113-0033, Japan Department of Mechanical Engineering, S Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 u-tokyo.ac.jp Geochemical Research Center, Graduate Sch 3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Jap Hefei National Laboratory for Physical Scien and Technology of China, Hefei, Anhui 2300 † Electronic supplementary information data for 5 and 6a, UV-vis light absorption IR spectra for 6a, theoretical calculatio absorption) for FAs, thermal analysis da data for 6a–d, high-pressure X-ray single 6a, cyclic voltammetry for 6a and d, and c 6a and d. CCDC 1457735–1457738. For E other electronic format see DOI: 10.1039/ Cite this: Chem. Sci., 2018, 9, 475
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