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- W2980295057 endingPage "109406" @default.
- W2980295057 startingPage "109406" @default.
- W2980295057 abstract "Abstract Two new chalcone derivatives with trifluoromethoxy (TFMO) and trifluoromethyl (TFM) have been successfully synthesized via Claisen-Schmidt condensation method with molecular formula of C16H10F4O2 and C16H10F4O, respectively. The crystals were characterized using IR, NMR (1H and 13C) and UV–Vis methods to elucidate the physical properties of the compounds. Single crystal X-ray diffraction investigation reveals that both compounds exhibit intermolecular C–H···π interactions and short F⋯F contacts. These are further supported by Hirshfeld surface analysis with C⋯H/H⋯C and F⋯F interactions percentage of 25.9/17.7% in TFMO and 32.8/15.5% in TFM, respectively. The calculated geometrical parameters and vibrational assignments at DFT/6-311++G(d,p) level shows a good agreement with the experimental results. UV–Vis analysis shows band gap of 3.54 and 3.64 eV for TFMO and TFM, respectively. Good value of χ3 measured from z-scan technique in the order of 10−7 esu under continuous wave excitation shows that the system of TFMO and TFM as potential NLO materials." @default.
- W2980295057 created "2019-10-18" @default.
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- W2980295057 date "2019-12-01" @default.
- W2980295057 modified "2023-09-28" @default.
- W2980295057 title "Third order nonlinear optical properties of selected fluorinated chalcone derivatives" @default.
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- W2980295057 doi "https://doi.org/10.1016/j.optmat.2019.109406" @default.
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