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In various solvents, the experimental electronic UV-Vis absorption and emission spectra of 2,5-Bis(5-tert-butyl-benzoxazole-2-yl) thiophene (BTBB) were assessed. For the BTBB geometrical structure, the dipole moment, laser activity, and experimental luminescence spectra have been investigated in different solvents. Furthermore, the photostability of the BTBB model structure exploitation utterly varied solvents like methanol, amyl alcohol, and dimethylformamide (DMF) in terms of approach for calculating half-life methodology (pumping with nitrogen laser 337.1 nm), yet because of the range of pulses needed to cut back the studied molecule intensity to 50% of its original value. The B3LYP/6-311G (d, p) level of theory was wont to optimize the BTBB geometrical structure. On the other hand, TD-M06-2X/6-311++(3d, 3p) is employed to get calculated spectral behaviors for the molecule under investigation. The computational electronic UV-Vis absorption spectra of the BTBB molecule in various solvents were computed exploitation time dependent density functional theory (TD-DFT) at the M06-2X/6-311++(3d, 3p) level. Theoretical findings were contrasted with experimental findings. The results reveal that the computational optical characteristics of the investigated molecular structure accord with the experimental findings.

2,5-Bis(5-tert-butyl-benzoxazole-2-yl) thiophene (BTBB): spectroscopic behavior, dipole moment, laser behavior, DFT and TD-DFT investigations