Showing papers in "Journal of Molecular Structure in 2015"

TL;DR: In this paper, the authors present two different conversion processes, namely conversion to organic chemicals (like CH4, CH3OH, HCOOH and so on) and being split into CO, in metal-organic frameworks (MOFs).

TL;DR: In this paper, the molecular structure and spectroscopic properties of (E)-2-((4-hydroxy-2-methylphenylimino)methyl)-3-methoxyphenol, were characterized by X-ray diffraction, FT-IR and UV-Vis spectroscopy.

TL;DR: In this article, the effect of chemical modification of halloysite from a Polish strip mine “Dunino” on the chemical composition and structure of this clay mineral was studied using infrared spectroscopy (ATR FT-IR), wavelength dispersive X-ray fluorescence (WDXRF), and Xray powder diffraction (XRPD).

TL;DR: In this article, a Schiff base ligand 2-(4-(dimethylamino)benzylidene)-N-(4-phenylthiazol-2-yl)hydrazinecarboxamide (L) obtained by the condensation of N-(4-, phenylthiahexyl-2,yl) hydrazine carboxamide with 4-dimthylaminobenzaldehyde and its newly synthesized Cu(II, Co(II), Ni(II) and Zn(II)) complexes have been characterized by microanalysis,

TL;DR: The phase behavior of equimolar mixtures of 4-octyloxybenzoic acid, OOBA, and either 1-(4butylazobenzene-4′-oxy)-6-(4-oxypyridine)pentane, BuABO5OPyr, or 1-( 4-butylaxobenzenesene- 4′-ox)-6-4-oxy)hexane,BuABO6OPyr is reported in this paper.

TL;DR: NMR analyses are used for single enantiomer structure education and intermolecular interactions are observed by X-ray study in racemate resolution.

TL;DR: In this article, a Schiff base ligand 2-((2-hydroxynaphthalen-1-yl)methylene)-N -(4-phenylthiazol-2-yl)-hydrazinecarboxamide (L) obtained by the condensation of N -( 4-phosphylthialdiazol 2-yl), hydrazine carboxamide with 2-hydroxy-1naphthaldehyde and its newly synthesized Cu(II, Co(II), Ni(II) and Zn(II)-

TL;DR: In this article, 1,2,4-triazole Schiff bases were synthesized by condensation of 3-substituted 4-amino-5-mercapto with dibenzoylmethane and the synthesized compounds were characterized using elemental analysis, magnetic moment, thermal analysis and spectral tools (FT-IR, 1 HNMR, ESR, and UV-Vis spectroscopy).

TL;DR: In this article, the experimental parameters of a synthesis route were optimized by Taguchi robust design for the facile and controllable synthesis of copper molybdate nanoparticles.

TL;DR: In this article, the structural, physical, thermal, optical, mechanical and conducting properties of glass and glass ceramic samples were studied using X-ray diffraction (XRD), Differential Thermal Analyzer (DTA), Fourier Transform Infrared spectroscopy (FTIR), UV-visible spectrograph, and Impedance spectrograms.

TL;DR: In this paper, the authors used differential thermal analysis (DTA), X-ray Diffractometer (XRD), Raman spectra, optical absorption and photoluminescence (PL) as function of different concentrations of borate glass to determine radiative transition probabilities (A R ), radiative lifetimes ( τ R ) and branching ratios ( β R ) of Dy 3+ transitions from the excited state manifolds to corresponding lower laying multiplet manifolds.

TL;DR: In this paper, the melting-quench technique was used to obtain the glass-ceramics and the de-polymerization of phosphate groups was observed in all the samples.

TL;DR: In this article, a novel series of metal complexes of the types, [ML 2 (H 2 O) 2 ]Cl 2 and [ML 1 ]Cl 3 ] were synthesized by the interaction of ligand, L (E)-N-(furan-2-yl methylene) quinolin-8-amine, derived from the condensation of 2-furaldehyde and 8-aminoquinoline.

TL;DR: In this paper, Maghemite (γ-Fe2O3) is synthesized by one step coprecipitation method from mixed salt solutions containing Fe(II) and Fe(III) salts.

TL;DR: In this paper, the chalcone-cyclophosphazene compounds were characterized by elemental analysis, FT-IR, 1 H, 13 C, 31 P NMR techniques.

TL;DR: In this article, a comparison between monocationic and dicationic ionic liquids was made between the two types of ionic liquid, and the effect of the nature of the anion on the vibrational behaviors was investigated.

TL;DR: In this paper, a cocrystal was synthesized and its single crystal was elucidated by using single crystal X-ray diffraction technique, where the crystal structure is stabilized by Npyridine-H∆∙∙O C, C O−H∓∙ ∙N pyridine and C−H⋯O type hydrogen bonding interactions.

TL;DR: The Schiff base complexes have been characterized by elemental analyses, ESI mass, NMR ( 1 H and 13 C), IR, XRD, electronic and EPR spectral studies, magnetic susceptibility and molar conductance measurements as discussed by the authors.

TL;DR: In this paper, a facile and clean electrodeposition method was utilized for the synthesis of zinc carbonate nanoparticles, and zinc oxide nanoparticles were produced by calcination of the prepared ZnCO 3 powder.

TL;DR: In this paper, the optical band gap has been estimated from the fitting of Mott and Davis's model with the experimentally observed absorption spectra, which shows good agreement with the hydrogenic excitonic model.

TL;DR: In this article, an octahedral geometry of the complexes was proposed and the Schiff base acts as tridentate ligand coordinated through deprotonated thiolic sulfur, azomethine nitrogen and pyridine nitrogen atoms.

TL;DR: A tridentate Schiff base ligand NNO donor (HL: 1-((E)-((pyridin-2-yl)methylimino)methyl)naphthalen 2-ol) was synthesized from condensation of 2-hydroxynaphtaldehyde and 2-picolylamine as mentioned in this paper.

TL;DR: In this paper, the authors investigated the role of doped-TiO 2 in the structure and thermal properties of iron phosphate system glass and found that incorporation of TiO 2 increase the density and glass transition temperature of iron system glass.

TL;DR: In this paper, a tellurite-based tungsten zirconium glasses-doped with trivalent dysprosium (Dy 3+ ) ions (TWZDy) have been prepared by conventional melt-quenching technique and characterized through thermal, structural and spectroscopic measurements.

TL;DR: In this article, a thiosemicarbazone compound was synthesized by refluxing equimolar amounts of 4-(4-methyl phenyl)-3-thiosemide and salicylaldehyde in presence of one drop of conc. H 2 SO 4 in ethanolic medium for one hour.

TL;DR: An asymmetric bidentate Schiff-base ligand (HL: 2-((allylimino)methyl)phenol) was prepared from reaction of salicylaldehyde and Allylamine.

TL;DR: In this article, the structure of the ettringite mineral was studied by means of FTIR spectroscopy and single crystal X-ray diffraction method and the experimental study was combined with the first principle calculations based on density functional theory (DFT) method.

TL;DR: In this paper, the structural characterization of Dy 3+ doped different fluoro-phosphate glasses are prepared and they are characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR), Raman, optical absorption, and photoluminescence (PL) techniques.

TL;DR: In this paper, the spin Hamiltonian parameters (SHPs) of VO2+ ion were calculated at room temperature and the frequency dependence of conductivity was found in accordance with the Jonscher's relation.