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Browsing by Author "Sakarya Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü"

Now showing items 1-20 of 418

1-Ethyl-N '-[(E)-4-hydroxybenzylidene]-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carbohydrazide

Delibaş, Nagihan (WILEY-BLACKWELL PUBLISHING, INC, 2009)

In the crystal structure of the title compound, C(19)H(18)N(4)O(3), the fused-ring system is essentially planar [maximum deviation is 0.031 ( 2) angstrom] while the dihedral angle between the ring system and the benzene ...
1-Pentamethylbenzyl-3-(n)buthylbenzimidazolesilver(I)bromide complex: Synthesis, characterization and DFT calculations

Tamer, Ömer; Avcı, Davut; Atalay, Yusuf (PERGAMON-ELSEVIER SCIENCE LTD, 2014)

A novel NHC complex of silver(I) ion, 1-pentamethylbenzyl-3-(n)buthylbenzimidazolesilver(I)bromide, was prepared and fully characterized by single crystal X-ray structure determination. FT-IR, NMR and UV-vis spectroscopies ...
1H-pyrazole-3-carboxylic acid: Experimental and computational study

Sumeyye Alturk; Avcı, Davut; Tamer, Ömer; Atalay, Yusuf (ELSEVIER, 2018)

The FT-IR and UV-Vis spectra for 1H-pyrazole-3-carboxylic acid (H(2)pc) were recorded in methanol solvent. The optimized molecular structure, vibrational frequencies and NMR chemical shifts of the title molecule in methanol ...
2-(1H-Benzimidazol-1-yl)-1-(2-furyl)-3-phenylpropan-1-one

Delibaş, Nagihan (INT UNION CRYSTALLOGRAPHY, 2007)

In the molecule of the title compound, C20H16N2O2, the planar benzimidazole system is oriented with respect to the furan and phenyl rings with dihedral angles of 87.41 (10) and 61.65 (5)degrees, respectively. In the crystal ...
2-(1H-Benzimidazol-1-yl)-1-(furan-2-yl)-ethanone O-2,4-dichlorobenzyloxime

Delibaş, Nagihan (INT UNION CRYSTALLOGRAPHY, 2007)

In the title compound, C20H15Cl2N3O2, intramolecular C-H...O hydrogen bonding causes the formation of a planar six-membered ring, which is also coplanar with the adjacent furan ring. The benzimidazole ring system is also ...
2-(1H-benzimidazol-1-yl)-1-phenylethanone oxime

Delibaş, Nagihan (INT UNION CRYSTALLOGRAPHY, 2007)

In the molecule of the title compound, C15H13N3O, intramolecular C-H center dot center dot center dot O hydrogen bonding causes the formation of a planar five-membered ring. The oxime unit has an E configuration. In this ...
3a,4,10,10b-tetrahydro-2H-furo[2,3-a]carbazol-5(3H)-one

Delibaş, Nagihan (INT UNION CRYSTALLOGRAPHY, 2007)

The asymmetric unit of the title compound, C14H13NO2, contains two independent molecules. In the indole ring system, the benzene and pyrrole rings are nearly coplanar, the dihedral angles being 0.48 (17) and 1.26 (17)degrees. ...
5-Methyl-2-thiophenecarboxaldehyde: Experimental and TD/DFT study

Avcı, Davut; Tamer, Ömer; Başoğlu, Adil; Atalay, Yusuf (ELSEVIER SCIENCE BV, 2018)

The 5-Methyl-2-thiophenecarboxaldehyde (MTC) and its derivatives present a wide range of biological activities. In this regard a combined experimental and theoretical analysis for MTC and its derivatives can help to ...
A Co(III) complex with a tridentate amine-imine-oxime ligand from 1,2,3,4-tetrahydroquinazoline: synthesis, crystal structure, spectroscopic and thermal characterization

Delibaş, Nagihan (TAYLOR & FRANCIS LTD, 2009)

A cobalt(III) complex [Co(L)2]Cl PPO H2O (1) (HL = 1-(2-aminobenzylimino)-1-phenyl-propan-2-one oxime, PPO = 1-phenyl-1,2-propanedione-2-oxime) has been synthesized and characterized by elemental analyses, spectral, thermal, ...
A cobalt (II) complex with 6-methylpicolinate: Synthesis, characterization, second- and third-order nonlinear optical properties, and DFT calculations

Sumeyye Alturk; Avcı, Davut; Tamer, Ömer; Atalay, Yusuf; Onur Sahin (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

A cobalt(II) complex of 6-methylpicolinic acid, [Co(6-Mepic)(2)(H2O)(2)]center dot 2H(2)O, was prepared and fully determined by single crystal X-ray crystal structure analysis as well as FT-IR, FT-Raman. UV-vis spectra ...
A combined crystallographic, spectroscopic, antimicrobial, and computational study of novel dipicolinate copper(II) complex with 2-(2-hydroxyethyl)pyridine

Tamer, Ömer; Bahtiyar Sariboga; Ibrahim Ucar (SPRINGER/PLENUM PUBLISHERS, 2012)

Novel dipicolinate complex of copper(II) ion, [Cu(hepy)(dpc)H2O] [hepy: 2-(2-hydroxyethyl)pyridine; dpc: dipicolinate or pyridine-2,6-dicarboxylate], was prepared and fully characterized by single crystal X-ray structure ...
A comparative ab initio study of superconductivity in the body centered tetragonal YC2 and LaC2

Tütüncü, Hüseyin Murat; G. P. Srivastava (AMER INST PHYSICS, 2015)

Ab initio studies of the electronic band structure and phonon dispersion relations, using the planewave pseudopotential method and the density functional theory, have been made for the superconducting materials YC2 and ...
A comparative study of selected disperse azo dye derivatives based on spectroscopic (FT-IR, NMR and UV-Vis) and nonlinear optical behaviors

Çoruh, Ali (PERGAMON-ELSEVIER SCIENCE LTD, 2014)

In the present work, a combined experimental and quantum chemical study on ground state equilibrium structure, spectroscopic and nonlinear optical properties of selected disperse azo dye molecules are reported. The vibrational ...
A comparative study of surface phonons on CdTe(110) and InSb(110)

Tütüncü, Hüseyin Murat (ELSEVIER SCIENCE BV, 2001)

We have studied the lattice dynamics of the CdTe(110) and InSb(110) surfaces by using the adiabatic bond-charge model. The atomic geometry and electronic informations for the phonon calculations have been obtained by using ...
A heterocyclic compound 5-acetyl-2,4-dimethylthiazole, spectroscopic, natural bond orbital, nonlinear optical and molecular docking studies

Avcı, Davut; B. Dede; S. Bahceli; D. Varkal (SOC MEXICANA FISICA, 2019)

In this work, the 5-acetyl-2,4-dimethylthiazole (C7H9NSO) molecule was studied by using the experimental UV-vis (in three different solvents) and FT-IR spectral results, and theoretically using DFT calculation method. The ...
A new dinuclear copper (II) complex of 2,5-Furandicarboxyclic acid with 4(5)-Methylimidazole as a high potential alpha-glucosidase inhibitor: Synthesis, Crystal structure, Cytotoxicity study, and TD/DFT calculations

Avcı, Davut; Sumeyye Alturk; Fatih Sonmez; Tamer, Ömer; Başoğlu, Adil; Atalay, Yusuf; Belma Zengin Kurt; Dilek Ozturk; Necmi Dege (WILEY, 2019)

A new dinuclear copper (II) complex of 2,5-furandicarboxyclic acid with 4(5)-methylimidazole, [Cu (FDCA)((4(5)MeI)(2)](2)center dot 2H(2)O, was synthesized, and its structure characterized by XRD, FT-IR and UV-Vis spectroscopic ...
A novel Cu(II) Complex of Picolinate and 1,10-Phenanthroline: Preparation, Crystal Structure Determination, Spectroscopic Characterization and Nonlinear Optical Studies

Tamer, Ömer; Avcı, Davut; Atalay, Yusuf (SPRINGER, 2017)

A newly synthesized copper (II) complex of picolinic acid (also known as 2-pyridinecarboxylic acid) and 1,10-phenanthroline, [Cu(pic)(2)(phen)]center dot H2O, has been prepared, and its crystal structure has been fully ...
A novel series of M(II) complexes of 6-methylpyridine-2-carboxylic acid with 4(5)methylimidazole: Synthesis, crystal structures, alpha-glucosidase activity, density functional theory calculations and molecular docking

Avcı, Davut; Suemeyye Alturk; Fatih Sonmez; Tamer, Ömer; Başoğlu, Adil; Atalay, Yusuf; Belma Zengin Kurt; Necmi Dege (WILEY, 2019)

Novel complexes of 6-methylpyridine-2-carboxylic acid and 4(5)methylimidazole, namely [Mn(6-mpa)(2)(4(5)MeI)(2)] (1), [Zn(6-mpa)(2)(4(5)MeI)(2)] (2), [Cd(6-mpa)(2)(4(5)MeI)(2)] (3), [Co(6-mpa)(2)(4(5)MeI)(2)] (4), ...
A novel series of mixed-ligand M(II) complexes containing 2,2 '-bipyridyl as potent alpha-glucosidase inhibitor: synthesis, crystal structure, DFT calculations, and molecular docking

Avcı, Davut; Sumeyye Alturk; Fatih Sonmez; Tamer, Ömer; Başoğlu, Adil; Atalay, Yusuf; Belma Zengin Kurt; Necmi Dege (SPRINGER, 2019)

Diabetes mellitus (DM) is a common degenerative disease and characterized by high blood glucose levels. Since the effective antidiabetic treatments attempt to decrease blood glucose levels, keeping glucose under control ...
A special type of neutron-proton pairing interaction and the moments of inertia of some deformed even-even nuclei in the rare earth region

Guliyev, Ali (IOP PUBLISHING LTD, 1998)

In this work, the effect of a special type of neutron-proton pairing interaction on the moments of inertia of some deformed nuclei in the rare earth region is investigated. First, making a perturbative approximation, we ...