Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 2379, listelenen: 1621-1640
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Oxygen bridged Homobinuclear Mn(II) compounds with Anthranilic acid: Theoretical calculations, oxidation and catalase activity
(Wiley, 2018)Two new homobinuclear manganese compounds with mixed ligands, [Mn-2((1,1)-2-NH2C6H4COO)(2)(phen)(4)](ClO4)2(CH3OH) (1), and [Mn-2((1,3)-2-NH2C6H4COO)(2)(bipy)(4)](ClO4)2 (2) (NH2C6H4COOH=anthranilic acid, bipy=2,2-bipyridine, ... -
Synthesis of new bis-bidendate N/O spiro-bino-spiro-cyclotriphosphazenes: Structural investigations and DFT studies
(Taylor & Francis LTD, 2017)The Schiff bases 4,4'-di(2-hydroxybenzyl imino) diphenylmethane (S1), 4,4'-di(2-hydroxy-5-chloro benzyl imino) diphenylmethane (S2) and 4,4'-di(2-hydroxy-5-bromo benzyl imino) diphenylmethane (S3) were synthesized from the ... -
Diaquabis(N,N-diethylnicotinamide-kappa N-1)bis[4-(dimethylamino)benzoato-kappa O]nickel(II)
(Int Union Crystallography, 2009)The centrosymmetric title Ni-II complex, [Ni(C9H10NO2)(2)-(C10H14N2O)(2)(H2O)(2)], contains two dimethylaminobenzoate (DMAB), two diethylnicotinamide (DENA) ligands and two water molecules, all of them monodentate. The ... -
The quantum confined Stark effect in silicon nanocrystals
(IOP Publishing LTD, 2008)The quantum confined Stark effect (QCSE) in Si nanocrystals embedded in a SiO(2) matrix is demonstrated by photoluminescence (PL) spectroscopy at room and cryogenic temperatures. It is shown that the PL peak position shifts ... -
Vibrational spectroscopic investigation and conformational analysis of 1-heptylamine: A comparative density functional study
(Pergamon-Elsevier Science LTD, 2013)FT-IR and Raman spectra of 1-heptylamine (1-ha) have been recorded in the region of 4000-10 cm(-1) and 4000-50 cm(-1), respectively. The conformational analysis, optimized geometric parameters, normal mode frequencies and ... -
Crystallographic, vibrational and DFT studies of 1-(2-hydroxy-4,5-dimethylphenyl)ethanone
(Pergamon-Elsevier Science LTD, 2015)Molecular structure and properties of 1-(2-hydroxy-4,5-dimethylphenyl)ethanone were experimentally investigated by X-ray diffraction technique and vibrational spectroscopy. Experimental results on the molecular structure ... -
Conformation and NH stretching of 1,1-dihalogenoheptan-1-amines[CH3(CH2)(5)CX2NH2; X = F, Cl or Br]: Halogen and solvent effects
(Pergamon-Elsevier Science LTD, 2015)The effects of halogen and solvent on the conformation and NH stretching of 1,1-dihalogeno-heptan-1amines [CH3(CH2)(5)CX2NH2: X = F, Cl or Br] were investigated using the density functional theory method. The functional ... -
Evolution of Vibrational Modes of SiO2 During the Formation of Ge and Si Nanocrystals by Ion Implantation and Magnetron Sputtering
(Amer Scientific Publishers, 2010)Structural variations of SiOx matrix have been studied with Fourier Transform Infrared Spectroscopy (FTIR) during the formation of Si and Ge nanocrystal. Two frequently used methods, magnetron sputtering and ion implantation ... -
Direct growth of type II InAs/GaSb superlattice MWIR photodetector on GaAs substrate
(Academic Press LTD- Elsevier Science LTD, 2018)We report on the direct growth and characterization of type-II InAs/GaSb superlattice (T2SL) MWIR photodetector structure grown on a GaAs substrate by molecular beam epitaxy. The designed photodetector structure contains ... -
Synthesis and vibrational spectroscopic analysis of some Hofmann type clathrates
(Pergamon-Elsevier Science LTD, 2011)New Hofmann type clathrates in the form of M(pp)(2)Ni(CN)(4)center dot 2G (where pp = 1-phenylpiperazine, G = 1,4-dioxane and M = Ni, Co or Cd) have been prepared in powder form and their FT-IR and FT-Raman spectra are ... -
One dimensional coordination polymers: Synthesis, crystal structures and spectroscopic properties
(Elsevier Science BV, 2016)Two new one dimensional (1D) cyanide complexes, namely [M(4-aepy)(2)(H2O)(2)][Pt(CN)(4)], (4-aepy = 4-(2-aminoethyl)pyridine M = Cu(II) (1) or Zn(II) (2)), have been synthesized and characterized by vibrational (FT-IR and ... -
Synthesis, spectroscopic, thermal and structural properties of 4-(2-aminoethyl)pyridinium tetracyanometallate(II) complexes
(Elsevier Science BV, 2017)In this study, three new complexes (4aepyH)(2)[Ni(CN)(4)] (1), (4aepyH)(2)[Pd(CN)(4)] (2) and (4aepyH)(2)[Pt(CN)(4)] (3) [4aepy = 4-(2-aminoethyl)pyridine] have been synthesized and characterized by elemental, thermal, ... -
Vibrational spectroscopic analysis of some Hofmann-T-d type complexes
(Pergamon-Elsevier Science LTD, 2012)New Hofmann-T-d type complexes in the form of Ni(4Chpy)(2)M(CN)(4) (M = Cd or Hg and 4chpy = 4-(3-cyclohexen-1-yl)pyridine) have been prepared and their FT-IR and FT-Raman spectra have been reported. The results suggest ... -
Vibrational spectroscopic study on some Hofmann type clathrates: M(2-(1-cyclohexenyl)ethylamine)(2)Ni(CN)(4)center dot 2benzene (M = Ni and Cd)
(Pergamon-Elsevier Science LTD, 2011)New Hofmann type benzene clathrates in the form of M(CyHEA)(2)Ni(CN)(4)center dot 2benzene (where CyHEA= 2-(1-cyclohexenyl)ethylamine and M=Ni or Cd) have been prepared in powder form and FT-IR and Raman spectra have been ... -
One-dimensional coordination polymers with 4-(2-aminoethyl) pyridine: Synthesis, crystal structures and spectroscopic properties
(Pergamon-Elsevier Science LTD, 2017)Two new one-dimensional polymeric metal complexes, namely [Zn(NH3)(mu-4aepy)Ni(mu-CN)(CN)3](n) (1) and [Cu(H2O)(mu-4aepy)Pd(mu-CN)(CN)(3)](n) (2) [4aepy = 4-(2-aminoethyl)pyridine], were synthesized and characterized by ... -
Molecular structure, NMR analyses, density functional theory and ab initio Hartree-Fock calculations of 3-phenylpropylamine
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2009)H-1, C-13, DEPT, COSY, NOESY and HETCOR NMR spectra of 3-phenylpropylamine (3-PPA) have been reported in chloroform-d, dichloromethane-d, methanol-d, dimethylsulfoxide-d and acetone-d. Solvent effects on nuclear magnetic ... -
FT-IR spectroscopic investigation of some Hofmann type complexes: M(1-phenylpiperazine)(2)Ni(CN)(4) (M = Ni, Co, Cd, Pd or Mn)
(Pergamon-Elsevier Science LTD, 2008)New Hofmann type complexes in the form of M(pp)(2)Ni(CN)(4) (where pp = 1-phenylpiperazine and M = Ni, Co, Cd, Pd or Mn) have been prepared in powder form and their infrared spectra have been reported in the range of ... -
The Homotopy Analysis Method to Solve the Modified Equal Width Wave Equation
(John Wiley & Sons Inc, 2010)In this article, to solve the modified equal width wave (MEW) equation, the homotopy analysis method (HAM) is proposed. The initial approximation can be freely chosen with possible unknown constant, which can be determined ... -
Syntheses, structural characterization and spectroscopic studies of cadmium(II)-metal(II) cyanide complexes with 4-(2-aminoethyl)pyridine
(Elsevier Science BV, 2017)Three new cadmium(II)-metal(II) cyanide complexes, [Cd(4aePY)(2)(H2O)(2)][Ni(CN)(4)] (1), [Cd(4aePY)(2)(H2O)(2)][Pd(cN)(4)] (2) and [Cd(4auPY)(2)(H2O)(2)][Pt(CN)(4)] (3) [4aepy = 4-(2-aminnethyl)pyridine], have been ... -
Hepatitis B surface antibody purification with hepatitis B surface antibody imprinted poly(hydroxyethyl methacrylate-N-methacryloyl-L-tyrosine methyl ester) particles
(Elsevier Science BV, 2009)Hepatitis B surface antibody imprinted poly(hydroxyethyl methacrylate-N-methacryloyl-L-tyrosine methyl ester) particles were prepared for the purification of hepatitis B surface antibody from human plasma. N-methacryloyl ...
