Experimental and computational studies of pyrazole derivative compound - Alyar, Hamit;Özmen Özdemir, Ümmühan;Alyar, Saliha
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A new 4-methyl-3a,4-dihydrochromeno[4,3-c]pyrazol-3(2H)-one (4-mcpy), has been synthesized for the first time. The structure of 4-mcpy was investigated using elemental analysis, spectral (IR, 1H /13C- NMR) measurements. In addition, molecular structure of the 4-mcpy was determined by single crystal X-ray diffraction technique and found that the compound crystallizes in triclinic, space group P-1. 1H and 13C shielding tensors for crystal structure were calculated with GIAO/DFT/B3LYP/6-311++G(d,p) methods in DMSO. The structure of 4-mcpy is optimized using Density Functional Theory (DFT) method.…mehr

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Produktbeschreibung
A new 4-methyl-3a,4-dihydrochromeno[4,3-c]pyrazol-3(2H)-one (4-mcpy), has been synthesized for the first time. The structure of 4-mcpy was investigated using elemental analysis, spectral (IR, 1H /13C- NMR) measurements. In addition, molecular structure of the 4-mcpy was determined by single crystal X-ray diffraction technique and found that the compound crystallizes in triclinic, space group P-1. 1H and 13C shielding tensors for crystal structure were calculated with GIAO/DFT/B3LYP/6-311++G(d,p) methods in DMSO. The structure of 4-mcpy is optimized using Density Functional Theory (DFT) method. The vibrational band assignments were performed at B3LYP/6-311++G(d,p) theory level combined with scaled quantum mechanics force field (SQMFF) methodology. The theoretical IR frequencies are found to be in good agreement with the experimental IR frequencies. Nonlinear optical (NLO) behaviour of 4-mcpy is also examined by the theoretically predicted values of dipole moment (mi), polarizability ( 0) and first hyperpolarizability (betatot).
Autorenporträt
Hamit Alyar nasceu em Reyhanl¿, Turquia, em 1971. Recebeu o seu B.A. da Universidade Atatürk em 1992 e o seu Ph.D. da Universidade de Gazi em 2005. Foi nomeado professor assistente na Universidade Dumlup¿nar, onde trabalhou até Abril de 2010. Estudou na Universidade de Karatekin Çank¿r¿ depois de 2010 e tornou-se professor associado em 2013. Tem dois filhos.