Showing papers in "Inorganica Chimica Acta in 2004"

TL;DR: In this paper, the free ligand NQTS exists as the thione form and the Pd complex (X-ray) crystallizes as the H-bonded dimer, where palladium(II) coordinates in a square planar configuration to the monodeprotonated, tridentate thiosemicarbazone ligand.

TL;DR: In this article, the structures of six copper-thiourea complexes were determined at room and also at low temperature, and the stochastic ratio of the resulting thin film was shown to be 1:3.

TL;DR: DNA melting curves obtained in the presence of metal complexes reveal a monophasic melting of the DNA strands, the Me4phen complex exhibiting a slightly enhanced tendency to stabilize the double-stranded DNA, which are consistent with enhanced hydrophobic interaction of the methyl-substituted phen rings.

TL;DR: The bis(phosphinito) iridium PCP pincer complex, IrH4{C6H3-2,6-(OPPri2)2} as discussed by the authors, can be easily synthesized and isolated in 74% overall yield.

TL;DR: The fluorescence and phosphorescence studies on the interactions of tetrakis(1-methylpyridinium-4yl)porphyrin (H 2 (TMPyP) 4+ ) with pBluescript II plasmid DNA have been conducted at 0.001-0.1 M NaCl, pH 7.5 and 25 °C as discussed by the authors.

TL;DR: A series of new 3d-4f heterobimetallic Schiff base complexes of the general formula [Zn(μ-L2)Ln(NO3)3(H2O)n] were synthesized and characterized by X-ray crystallography.

TL;DR: In this paper, a new family of hybrid organic-inorganic materials built from polyoxotungstates and Cu(II) ions as linkers has been synthesized by hydrothermal reactions from a mixture of sodium tungstate, copper chloride and ethylenediamine.

TL;DR: In this paper, a self-assembly reaction of H3btc (1,3,5-benzenetricarboxylic acid), H2ta, and 1,2,4,5benzenetetetracarboxyl dianhydride with Ag(NO3) in mixed H2O/MeOH solution at room temperature gave rise to four novel 3D polymeric silver(I) complexes, [{Ag(H2btc)}{Ag2(Hbtc)}]n (1), [Ag(ta)

TL;DR: In this article, the relationship of the water content and the nature of the IL anion to the mesoscopic structure of the ionogels has been determined using small angle X-ray scattering, and it was shown that near-monodomain materials can be formed with either lamellar, 2D hexagonal or 3-D cubic structures with tunable lattice dimensions.

TL;DR: Magnetic interactions in binuclear copper(II) complexes with tridentate diimine ligands and chloro-bridged groups were studied with the aim of better elucidating magneto-structural correlations in such species, both in solution and in solid state as discussed by the authors.

TL;DR: In this paper, the X-ray determination of the structures of tris[(2-pyridyl)methyl]amine compounds was carried out and the results revealed the presence of linkage isomerization.

TL;DR: A series of imidazolium chlorides as ligand precursors for the phosphine-functionalized N -heterocyclic carbene (NHC), L, were prepared by a convenient synthetic procedure of reacting 1,2-dichloroethane with appropriate N -substituted imidiazoles to give (β-chloroethyl)imidazolis chlorides, which were subsequently reacted with HPPh 2 producing L·-HCl in good yield as discussed by the authors.

TL;DR: In this paper, three new coordination polymers [M(Pht)(1-MeIm)2]n (where M=Cu (1), Zn (2), Co (3), Pht2−=dianion of o-phthalic acid; 1-meIm=1-methylimidazole) and two compounds [m(1-MEIm)6](HPht)2 · 2H2O (M=Co (4), Ni (5)) have been synthesized and characterized by X-ray crystallography

TL;DR: In this paper, two new mixed ligand complexes of copper(II) with polypyridine ligands have been prepared and characterized by means of spectroscopic, magnetic and single-crystal X-ray diffraction methods.

TL;DR: In this paper, five manganese complexes in an N 4O 2 donor environment have been prepared and the relative stabilities of the Mn +2 and Mn +3 oxidation states were analyzed using the structural data and MO calculations.

TL;DR: In this article, a new ligand (HL) obtained from the Schiff base condensation of 4-diethylamino)salicylaldehyde with 4-nitroaniline is reported, with its nickel(II), copper (II), and cobalt(II) complexes.

TL;DR: New ternary copper(II) complexes of formulations [Cu(Ph-tsc)B] (B=1,10-phenanthroline, phen (1), dipyridoquinoxaline, dpq (2); dipyridophenazine, dppz (3); Ph-H2tsc, salicylaldehyde-N(4)-phenylthiosemicarbazone).

TL;DR: A new octamolybdate-supported transition metal complex [Ni(phen)2}2(Mo8O26] (1) has been hydrothermally synthesized and characterized by the elemental analyses, IR spectrum, XPS spectra, TG analysis and the single crystal X-ray diffraction as discussed by the authors.

TL;DR: In this article, a series of Ru(II) complexes [Ru(phen) 2 ( p -MOPIP)] 2+ ( 1 ), [Ruphen] 2 (p -HPIP)] (2+ ( 2 ), and [Rupton) 2(p -NPIP)](3) were synthesized and characterized by elementary, 1 H NMR, and ES-MS analysis.

TL;DR: A series of mono-and oligonuclear vanadium and vanadium(IV) complexes containing various chelating N,O-, N3-, and O2ligands have been prepared as discussed by the authors.

TL;DR: In this article, NiI2 with PCP-ligand reaction has been shown to activate the strong sp2-sp3 aryl-methyl-ethyl bond to obtain the 16-electron complex [Ni{1-O2,2,6-(CH2PiPr2)2-C6H3}I] and [Ni

TL;DR: In this article, the energy transfer from the ligand triplet state (T) of TPC to the excited levels of the Eu3+ ion was discussed based on the luminescence spectra, which indicated that the TPC ligand is a good sensitizer.

TL;DR: In this paper, the authors measured the IR stretching frequency in dichloromethane of the carbonyl ligand in a series of Rh(I) Vaska-type complexes, trans-[RhCl(CO)(L)2].

TL;DR: In this article, the complexation of Zn 2+ by quercetin, (+)-catechin and several derivatives has been investigated in the aim to determine the stoichiometry and the stereospecificity and its influence on their antioxidant properties.

TL;DR: In this article, the influence of terminal ligands on the structure and nuclearity of copper-II-pyrazolates has been investigated, and a tetranuclear complex has been obtained by spectroscopic and X-ray diffraction techniques.

TL;DR: The photochemical behavior of a series of trans-[Ru(NH3)4L(NO)]3+ complexes, where L =nitrogen bound imidazole, L -histidine, 4-picoline, pyridine, nicotinamide, pyrazine, 4acetylpyridine or triethylphosphite is reported in this paper.

TL;DR: In this paper, the structure and spectroscopic properties of the dinuclear Cu(II)-pyrazolates of the general formula (Bu4N)2[Cu3(μ3-Cl)2(μ-4-Rpz)3Cl3] (pz = pyrazolato anion, R=Cl, Br, I, Me), 1-4, have been prepared and characterized by X-ray diffraction and/or 1H NMR, IR, UV-Vis spectroscopy and elemental analysis.

TL;DR: In this article, two platinum(II) complexes, [Pt(dpa)Cl2] (1) and [pt(da)CBDCA] (2), where DPA=2,2′-dipyridylamine and CBDCA=1,1-cyclobutanedicarboxylate, were synthesized and characterized by elemental analysis, IR spectroscopy, ES-MS and X-ray diffraction.

TL;DR: In this article, two benzoate complexes, namely tetrakis(μ2-benzoato-O,O′)-bis(μ 2-beto-o,O)-bis (methyl-3-pyridylcarbamate-N)-tri-zinc(II), were prepared and characterised by elemental analysis, IR spectroscopy, thermal analysis and X-ray structure determination, and they were distinguished also by values of carboxylate stretching vibrations in FT-IR spectra as well as by thermal decomposition of the complexes.