@article{article_474279, title={Investigation of theoretical properties of 1-Acetyl-3-(p-methylbenzyl)-4-(3-methyl-2- thienylmethyleneamino)-4,5-dihydro-1H-1,2,4-triazol-5-one molecule}, journal={International Journal of Chemistry and Technology}, volume={3}, pages={1–10}, year={2019}, DOI={10.32571/ijct.474279}, author={Kotan, Gül and Savaş, Bedrettin and Yüksek, Haydar}, keywords={Gaussian G09W, Veda4f, HOMO-LUMO, GIAO}, abstract={<p class="Default" style="text-align:justify;"> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">In this study, firstly, 1-acetyl- <span class="atn">3-( <i>p </i>- </span>methylbenzyl)-4-( </span> <span class="hps"> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">3- </span> </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">methyl-2- </span> <span class="hps"> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">thienyl </span> </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">methylene </span> <span class="hps"> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">amino </span> </span> <span class="atn"> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">)-4,5-dihydro-1 <i>H </i>-1,2,4-triazol -5- </span> </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">one <b> </b>molecule was optimized by using the B3LYP/DFT631G (d) and HF/631G (d) basis sets. </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">Then, </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">the veda4f program was used in defining of IR data theoretically. </span> <span style="font-size:9pt;">IR (infrared) vibrational frequencie values with two different basis sets of molecule was </span> <span style="font-size:9pt;">calculated in gas phase and multiplied by adjustment scale factors. Infrared spectra of molecule according to these values obtained were formed. </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">Furthermore, </span> <span class="hps"> <sup> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">1 </span> </sup> </span> <span class="hps"> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">H-NMR and <sup>13 </sup>C-NMR isotropic shift values were calculated by GIAO method. </span> </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">Experimental and theoretical values of analyzed molecule were inserted into the graphic according to equation of δ exp = <sub> </sub>a + b. δ calc. The standard error values were found via SigmaPlot program with regression coefficient of <i> a </i> and <i> b </i> constants. Finally, bond angles, bond lengths, mulliken atomic charges, HOMO-LUMO energy, E <sub>LUMO </sub>-E <sub>HOMO </sub> energy gap (ΔE), electronegativity (χ), electron affinity (A), global hardness (η), softness (σ), ionization potential (I), total energy of the molecule, dipole moment and thermodynamic properties were calculated with Gaussian 09W program. </span> </p> <p> </p>}, number={1}, publisher={Rabia ACEMİOĞLU}