Showing papers in "Inorganica Chimica Acta in 2001"

TL;DR: In this article, the phase change of the diffusion particle from discrete ion-pair to individual ion was attributed to the decomposition of the EMI-BF4 ion pair at temperatures above 335 K.

TL;DR: In this article, a single crystal diffraction study of [SnVin2(salop)] showed the metal to be five-coordinate in a distorted square pyramidal environment, SnC distances being 2.112(2), and 2.227(2) A.

TL;DR: In this paper, the crystal structure, magnetic, redox and spectroscopic properties of a novel unsymmetrical dinuclear copper(II) complex, prepared by the reaction between copper (II) perchlorate, sodium acetate and the binucleating ligand, where HTPPNOL is N,N,N′-tris-(2-pyridylmethyl)-1,3-diaminopropan-2-ol, is reported.

TL;DR: The copper(II) complex [Cu 2 (mal) 2 (H 2 O) 2 2 (4,4′-bpy)] has been prepared and its structure determined by single crystal X-diffraction methods as discussed by the authors.

TL;DR: In this paper, a structural mimic of the Arg 141 residue near copper site in native bovine Cu,Zn-superoxide dismutase (Cu, Zn-SOD), four mononuclear copper complexes with tris(2-pyridylmethyl)amine derivatives having a hydrogen bonding site (pivalamido, neopentylamino, or amino groups) at the pyridine 6-position, [Cu(tnpa)(OH)]ClO4 (1), [cu(tapa)Cl]ClO 4 (2

TL;DR: In this paper, the in situ synthesis of the monoanionic chelating dicarbene ligand bis(imidazolin-2-ylidene-1-yl)borate (BISR, R=Me (2a), Et (3a), iPr (4a)) from potassium bis(IMidazol-1yl)dihydridoborate (1) via dialkylation with alkyl iodide and deprotonation with LinBu is described.

TL;DR: The tetraaziridinyl PNP-lariat ether has been tested in the in vitro disease-oriented antitumor screen and evaluated further in an investigational AIDS-related lymphoma screen in vitro as mentioned in this paper.

TL;DR: In this article, the treatment of CuCl2·2H2O with ferrocenoyl-substituted thioureas of the type FcC(O)NHC(S)N′HR (Fc=ferrocenyl; R=C6H5; C6H4-p-OMe; C 6H4p-O(O(Me); c6H 4p-C(Me; O(O); O(C

TL;DR: In this article, a semi-empirical magnetostructural correlation for exchange coupled dinuclear asymmetrically phenoxo-, alkoxo, and hydroxo-bridged iron(III) complexes has been established.

TL;DR: The Schiff base formed by condensation of 2,6-diacetylpyridine with S-benzyldithiocarbazate (H2SNNNS) behaves as a pentadentate ligand, forming a nickel(II) complex of empirical formula Ni(SNNns)·H2O that is high-spin with a room-temperature magnetic moment of 2.93 B as discussed by the authors.

TL;DR: The electrochemical behavior of several copper(II) complexes with Schiff-base ligands containing pyrrole groups has been investigated in aprotic solvents by cyclic voltammetry and spectroelectrochemistry as discussed by the authors.

TL;DR: In this article, the properties of Cu(2,5-PDC) and 2,4-PDCH2 have been determined by X-ray diffraction, showing strong antiferromagnetic coupling between the paramagnetic Cu(II) metals in adjacent layers.

TL;DR: In this article, the preparation, crystal structures and magnetic properties of four heteroleptic copper(II) complexes with 2,3-bis(2-pyridyl)pyrazine (dpp) and azide, cyanate or thiocyanate as ligands are reported.

TL;DR: In the absence of additional mono- or bidentate ligands, linear tetradentate aminopyridines form distorted square-planar complexes with copper(II) as mentioned in this paper.

TL;DR: In this article, K2[PtCl4] with 2-captobenzimidazole (HL2) and 2-mercaptoimidaze (HL3) in aqueous ethanol gave the new, crystalline, square-planar platinum(II) complexes [Pt(HL 2)4]Cl2EtOH (4) and [Ptp(HL 3]Cl22H2O (5), the crystal and molecular structures of which are reported in both complexes the ligands are present in the thione form

TL;DR: In this article, the authors showed that benzene-1,2,4,5-tetracarboxylic acid with divalent metal-ions Co, Mn or Zn and 2,2-bipyridyl gives coordination solids of composition [Co2(C10H2O8)(C 10H8N2)2(H 2O)]

TL;DR: The centrosymmetric CuN 6 chromophore is an axially elongated octahedron with distances varying from 1.983 to 2.404(2) A as mentioned in this paper.

TL;DR: In this paper, five novel cisplatin analogues as well as their equivalent palladium compounds were prepared using the chelating ligands 2-(2-pyridyl)benzimidazole (pbi), pbi, pbi and pbi.

TL;DR: In this article, the photochemical behavior of free trans-1,2-bis(4-pyridyl)ethylene and its protonated form was also reported.

TL;DR: In this paper, single crystals of the copper(II) chain of formula [(μ-1,1,3-N3)2{Cu2(ampy)2(N 3 )2]n (ampy=1-(2-aminoethyl)pyrrolidine) were prepared and characterized by X-ray diffraction methods.

TL;DR: In this article, the reaction of S-nitrosothiol compounds with ferrous ions in solution has been investigated and the generated dinitrosyl-iron complexes have been characterized.

TL;DR: In this paper, the crystal and molecular structures of the ternary copper-indomethacin complexes [Cu2(Indo)4L2] (IndoH=indometHacin=1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic acid; L=acetonitrile (AN), N,N-dimethylacetamide (DMA), tetrahydrofuran (THF), or pyridine (Py)) are reported.

TL;DR: In this paper, bimetallic extended networks built from WIV(CN)8−4− and M2+=FeII, CuII, denoted hereafter as FeW for FeII−2[WIV[CN]8]·8H2O and Cu ǫ-W for CuII-2]·5H 2O were solved in the tetragonal system for M=Fe, and consisted of a three-dimensional (3D) structure with alternating W(CN), 8 and Fe(H 2 O)2 units leading

TL;DR: In this article, two groups of Mn-based catalytic antioxidants are described in terms of their catalytic activities and electrochemical properties: manganese porphyrins, phthalocyanine, and porphyrazine.

TL;DR: In this paper, the synthesis, X-ray crystal structures and magnetic properties of five new copper(II) complexes containing nitroxide radicals were reported, and the magnetic properties were investigated.

TL;DR: In this paper, the reaction of MoO3 and 2,4,6-tripyridyltriazine (tptz) in water at 180°C for 48h and pH 5.5 produces (H2tptZ)2[Mo8O26]·2H2O in 70% yield.

TL;DR: In this paper, the authors determined the third-order nonlinear optical properties of coordination polymers [Mn(SO4)(4,4′)-bpy)(H2O)2]n (1), and [Mm(N3)2(4, 4′-bpy)]n (2) by Z-scan technique.

TL;DR: In this article, the multiple emission from [W(CO) 4 (phen)] and [W (CO 4 (tmp)] was studied by nanosecond time-resolved emission spectroscopy, measured from a 2-MeTHF glass at 80 K. Two emission bands were observed for each complex, the low-energy emission band was attributed to the radiative decay of two unequilibrated W→phen/tmp 3 MLCT states.

TL;DR: In this paper, peroxo-containing vanadium-citrate complexes were characterized analytically and spectroscopically, and the X-ray structures of complexes A and B emphasize the exceptional stability of the dimeric rhombic unit VV 2O2, which is retained upon H2O2 reaction.

TL;DR: The coordination chemistry of Ln(hfpd)3 with phen and bpy depends on the size of the Ln3+ ion and on the used solvent as mentioned in this paper.