Showing papers in "Inorganica Chimica Acta in 1983"

TL;DR: In this paper, improved methods for the preparation of [NH4]2[MO2S2] and [NH 4 ]2[MS4] are summarized and new syntheses of [ NH 4]2 [MOS3] are reported (M = Mo, W).

TL;DR: In this paper, the metal-to-ligand charge transfer bands and oxidation potentials are rationalized in terms of the donor property of Ru(bpy)2L, which increases in the order of bpy.

TL;DR: In this paper, the crystal and molecular structures for the series of complexes, [M(C7H4NO3S)2(H2O)4]·2H 2O (M = Fe, Co, Ni and Cu) have been determined by single-crystal X-ray diffraction methods.

TL;DR: In this article, the properties of Cu(II) complexes of saturated macrocyclic ligands with square-pyramidal array were examined by cyclic voltammetry, electron spin resonance, visible absoption and magnetic circular dichroism spectroscopy.

TL;DR: In this paper, the properties of polynuclear compounds with a doubly bridging MS2−4 or MOS2−3 ligand were determined from single crystal X-ray diffractometer data.

TL;DR: The structure of the complex ReI2O(OEt)(PPh3)2·3/2C6H6 (I) has been investigated: the dark-yellow crystals are monoclinic, space group P21/n, with a = 17.410(8), b =17.322(6), c = 15.039(5) A, β = 103.19(2)°, Z = 2.742(11) A respectively.

TL;DR: Mossbauer spectroscopic studies on frozen solutions of protoporphyrin IX iron(II) in the pH range 7-14 reveal evidence for three different species.

TL;DR: In this article, the inner-sphere oxidation of Lascorbic acid (H2A) by tris(2,2′-bypyridine) and tris-(4,4′-dimethyl-2, 2, 2′-bipyridine)-complexes of osmium(III), ruthenium (III), and nickel(III) has been investigated in acidic aqueous media at 9-25 °C.

TL;DR: In this paper, the crystal structures have been determined from automated three-dimensional single crystal X-ray diffraction analyses, which yielded final weighted R-values equal to 00.035, 0.037, and 0.036, respectively.

TL;DR: In this paper, the electrochemical behavior of the studied complexes in various solvents has been investigated at Pt electrodes, and the solvent effect on standard potentials of oxidation and reduction can be described using the donor-acceptor approach.

TL;DR: The copper-II homo-dinuclear complexes have been tested as catalysts in the oxidation of 3,5-di-t-butylcatechol as discussed by the authors.

TL;DR: In this paper, the crystal structure of the type M(2,6-DHB)2·8H2O (M = Mn, Fe, Co, Ni, and Zn) was determined by single-crystal X-ray diffraction methods.

TL;DR: Several antimony trichloride tris(dialkylphosphorodithioates) Sb[S 2 P(OR) 2 ] 3 (R = Me, Et, I-Pr, n-Bu, i-Bu and sec-Bu) have been prepared by reactions between antimony and respectively the ammonium and sodium salts of the corresponding acid.

TL;DR: In this article, the reactions of 2-amino-2(hydroxymethyl)-1,3-propanediol (TRIS, THAM) with H+, Ni2+, Cu2+, and Zn2+ ions have been studied at 298 K in aqueous solutions (0.15 mol dm−3 NaCl).

TL;DR: In this article, it was shown that the donor strength of the phosphine (e.g. PEt3) is more significant than the donor force of the Hg-Hg interaction.

TL;DR: In this article, the structural and redox chemistry of the Fe4S4(SR)4]2− with R = t-alkyl have been investigated for the purpose of determining the structures of the same cluster in different environments and the stability of the oxidized species [Fe4S 4 (SR)1−]1−.

TL;DR: The structure of a nickel-citrate complex, K2[Ni(C6H5O7)(H2O)2]2·4H 2O, has been determined from three-dimensional X-ray data collected by counter methods as discussed by the authors.

TL;DR: In this paper, the reactions of dimethylsulfonium, triphenylphosphonium and 4-methylpyridinium phenacylides (PhC(O)CHZ+; Z+ = S+Me2 (YPh-S) P+Ph3 (Y Ph-P, and N+C5H4Me-4 (Y PH-N)) with W(CO)5THF gave W( CO)5(PhC (O) CHZ+).

TL;DR: The 1 H NMR spectra of 2,2′-bipyridine complexes have been reported in this article, where the relaxation behavior of the protons attached to the ligands has been studied, and T 1 measurements are shown to be a valuable aid in the assignment of the spectra.

TL;DR: In this paper, the coordination chemistry of neutral benzotriazole towards several transition metal compounds has been studied, and the general formula M(BTAH) n X m, with M = 1, 2, 3, 4, X = Cl, Br and m = 2 or 4.

TL;DR: In this paper, the magnetic properties of the CuL2·xROH complexes with xanthine, guanine, hypoxanthine and hxH were characterized.

TL;DR: In this article, the anaerobic reactions of ferric salts with glutathione and related thiols have been studied by Mossbauer spectroscopy and fast reaction kinetic techniques.

TL;DR: Several complexes of Pt(II and Mg(II) metal ions with adenosine-5′-monophosphate have been isolated in this paper, and no direct Mgphosphate bonding was observed when prepared at neutral or slightly basic pH values.

TL;DR: In this paper, the resonance Raman spectra of the Fe(II and Fe(III) complexes of 2-formylpyridine thiosemicarbazone have been measured in acid (pH 3.94.2) and alkaline aqueous media, and the strong visible absorption of these complexes is attributed to a pπ(s) → σ *(Fe) ligand to metal charge transfer transition.

TL;DR: In this paper, the preparation, spectroscopic studies and the crystal structure of Cu(dmtp)2(NCS)2 (I) and Pt(dMTp)4Pt(SCN)6 (II) are described, and the structures of I and II are solved from diffractometer data by Patterson and Fourier methods and refined by full-matrix least-squares to R = 0.044 for I and 0.051 for II.

TL;DR: In this article, the formation of several complexes of cis -Pt(NH 3 ) 2 Pt(II) with the 1-methyluracil anion 1-MeU, C 5 H 5 N 2 O 2, is reported.

TL;DR: In this paper, an X-ray diffraction pattern of the crystalline poly(1,1′-ferrocenylene) with the electron acceptors showed peaks at 11.8°, 19.2°, 23.5°, and 25.2 degrees.

TL;DR: In this article, a mixture of ligand and metal salt (4:1 molar ratio) in ethanol2triethyl orthoformate was used to synthesize hexacoordinated guanine complexes with 3 d metal perchlorates, which are monomeric with terminal unidentate LH, coordinating through the N(9) imidazole ring nitrogen.