Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 1178, listelenen: 521-540
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Synthesis and characterization of some metal complexes of a proton transfer salt, and their inhibition studies on carbonic anhydrase isozymes and the evaluation of the results by statistical analysis
(Taylor & Francis LTD, 2014)A novel proton transfer compound (HMeOABT) (+) (HDPC)(-) (1) and its Fe(III), Co(II), Ni(II) and Cu(II) complexes (2-5) have been prepared and characterized by spectroscopic techniques. Complex 4 has distorted octahedral ... -
Synthesis, characterization and biological activities of metal(II) dipicolinate complexes derived from pyridine-2,6-dicarboxylic acid and 2-(piperazin-1-yl)ethanol
(Elsevier Science BV, 2015)The new water-soluble and air stable compounds (H(2)ppz)[Co(dipic)(2)]center dot 6H(2)O (1), (H(2)ppz)[Ni(dipic)(2)]center dot 6H(2)O (2) and (H(2)ppz)[Zn(dipic)(2)]center dot 6H(2)O (3) were prepared by the reaction of ... -
Syntheses, crystal structures and spectral properties of 1D tetracyanonickelate(II) complexes with 1-ethylimidazole
(Elsevier Science BV, 2013)Three new cyano-bridged tetracyanonickelate(II) complexes with 1-ethylimidazole (etim) ligand, [Ni(etim)(4)Ni(mu-CN)(2)(CN)(2)](n) (1), [Zn(etim)(4)Ni(mu-CN)(2)(CN)(2)](n) (2) and {[Cd(etim)(4)Ni(mu-CN)(2)(CN)(2)](2)center ... -
Phosphorus-nitrogen compounds: Part 26. Syntheses, spectroscopic and structural investigations, biological and cytotoxic activities, and DNA interactions of mono and bisferrocenylspirocyclotriphosphazenes
(Elsevier Science Sa, 2013)The condensation reactions of the tetrachloro mono (1 and 2) and bisferrocenylspirocyclotriphosphazenes (3-5) with 1,4-dioxa-8-azaspiro[4,5]decane (DASD) resulted in the formation of the partly and fully DASD-substituted ... -
Synthesis and characterization of a proton transfer salt between dipicolinic acid and 2-amino-6-methylbenzothiazole and its complexes, and their inhibition studies on carbonic anhydrase isoenzymes
(Pergamon-Elsevier Science LTD, 2013)A novel proton transfer compound (HMeABT)(+)(HDPC)(-)center dot H2O (1) obtained from 2-amino-6-methylbenzothiazole (MeABT) and dipicolinic acid (H2DPC) and its Fe(III), Fe(II), Co(II), Ni(II) and Cu(II) complexes (2-6) ... -
Syntheses and structural characterization of new dithiophosphinato cadmium complexes
(Indian Acad Sciences, 2015)New cadmium complexes of 4-methoxyphenyl dithiophosphinic acids, H3CO-C-6 H (4)-(R)PS2H were prepared. The five dithiophosphinato ligands (L) involved were of the general structure H3CO-C-6 H (4)-(R)PS with R = 3-methylbutyl, ... -
Diaqua(isonicotinamide-kappa N-1)(4-methoxybenzoato-kappa O-2,O ')(4-methoxybenzoato-kappa O)cobalt(II)
(Wiley-Blackwell, 2010)… -
Phosphorus-nitrogen compounds part 27. Syntheses, structural characterizations, antimicrobial and cytotoxic activities, and DNA interactions of new phosphazenes bearing secondary amino and pendant (4-fluorobenzyl)spiro groups
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2013)A number of partly (7-9) and fully (10a-12d. Scheme 1) substituted mono(4-fluorobenzyl)spiro cyclotriphosphazenes was prepared. The structures of the compounds were determined by MS, FTIR, 1D and 2D NMR techniques. The ... -
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, ...