Browsing by Author "Kandemirli, F, Akkaya, Y, Vurdu, CD"

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    Synthesis and quantum chemical calculations of 4-(2-Fluorophenyl)-1-(2- oxoindolin-3-ylidene)thiosemicarbazone and its Zinc(II) Complex
    (2013-01-01) Kandemirli F., Akkaya Y., Vurdu C.D.; Kandemirli, F, Akkaya, Y, Vurdu, CD
    In this study, wavenumbers, IR intensities and molecular parameters of 4-(2-fluorophenyl)-1-(2-oxoindolin-3-ylidene)thiosemicarbazone (I2FPTH2) and its zinc(II) complex have been studied theoretically by using the ab initio Hartree-Fock (HF) method with the 3-21G, 3- 21G, 6-31G(d,p), 6-311G (d,p), 6-311++G (d,p) and 6-311++G (2d,2p) basis sets. In addition to theoretical study,they have been prepared for characterization of structure by means of elemental analyses which are FT-IR, electronic and 1H NMR Zn(II) complex spectra. Moreover, according to the results of Fukui functions values of I2FPTH2, calculated with B3LYP/6-31G(d,p) and B3LYP/6- 311G(d,p), the contribution of sulphur to the HOMO is found predominant 47.69 and 49.16 %, respectively while the contribution of nitrogen to the LUMO is also found dominant as 24.82 and 24.21 %, respectively. The theoretical results of wavelengths, 1H and 13C NMR for wavenumbers are sensibly consistent with the results of experimental study.