Experimentaly and theoreticaly investigation of spectroscopic properties of 2-acetylanthracene and 9-acetylanthracene

General information was given about methods of the theoretical calculation for especially molecular energy and molecular vibration and in this study, 2-Acetylanthracene and 9-Acetylanthracene molecules, structural, vibrational and electronic transitions were determined by experimental and theoretical methods. Raman spectra in the range of 50-4000 cm-1, infrared spectra in the region 400 to 4000 cm-1 was obtained. Optimization of the geometry of the molecule with the Gaussian 03 program was researched by DFT B3LYP with the 6-311++G(d,p) basis set and appropriate geometries, bond angles, bond lengths, correlation charts, vibrational frequencies were calculated. Vibrations of the markings, Scaled Quantum Mechanics (SQM) is calculated by the method of Total Energy Distribution (TED) were compared using the molecules. We saw that calculated and experimental datas are conformed in the end of the our study 2014, ix + 108 Key Words: 2-Acetylanthracene, 9-Acetylanthracene, FT-IR, Raman, SQM, DFT, TED.