Showing papers in "Inorganica Chimica Acta in 1970"

TL;DR: In this paper, the structure of the complex salt (C2H5NH3)2CuCl4 has been determined by conventional X-ray diffraction techniques, and a square planar CuCl42− ion was found with CuCl distances of 2.28 A.

TL;DR: Mossbauer spectroscopic data are presented for some organotin halides and their halide complexes as mentioned in this paper, and it is shown that a parameter, [L], may be ascribed to each ligand, L, which represents the contribution of L to the electric field gradient at the tin nucleus.

TL;DR: In this article, the photooxidation of ferrocene in CCl 4 ethanol and CHCl 3 ethanol solutions has been investigated at several wavelengths of irradiation in the range 313-472 nm.

TL;DR: The far-infrared spectra of some complexes of the type MX2L2 and MX2(LL) have been recorded at both liquid nitrogen temperature and room temperature as discussed by the authors.

TL;DR: In this paper, chemical shifts for thirty-one compounds of the type, cis-and trans-L2PdCl2, sym-L 2Pd2Cl4 and trans-AmPdCL2, where L is a tertiary phosphine and Am is a nitrogen ligand.

TL;DR: In this article, the structures of two copper(II) complexes of the general formula CuL (where L represents the dianion of H3CC(O)C(CH3)N(CH2)nOH) have been determined by single-crystal X-ray diffraction studies.

TL;DR: In this article, a distorted square planar coordination for copper in which the CuCl 2 angle is 146.13 ± 0.09° and the four bond lengths are: 2.283±0.003A for CuCl(1), 2.290± 0.004 A for the two equivalent CuO bonds.

TL;DR: In this paper, the reaction of the complexes π-C5H5Mo(CO)3X (X = Cl, Br and I) with phosphorus(III) ligands (L) was shown to have a dissociative mechanism similar to that for Mn-CO)5X, except for certain reactions of the bromo- and iodocomplexes which appear to have more radical mechanisms.

TL;DR: A series of octahedral chromium(III) complexes of the type cis[Cr cyclamX 2 ] + (cyclam = 1,4,8,11-tetraazacyclotetradecane; X = Cl, Br, NCS, ONO and N 3 ) have been isolated as crystalline salts as mentioned in this paper.

TL;DR: In this article, it was shown that the six-membered aromatic ring of the π-indenyl ligand plays a crucial role in the reaction of the O(OPh) compound.

TL;DR: In this article, the energy levels of spin coupled systems containing up to six polyhedrally arranged magnetic centres are described. But the energy level of spin-coupled systems with polyhedra is not discussed.

TL;DR: In this article, new molecular addition compounds between 1.10-phenanthroline (Phen), 2,2′-bipyridine (Bipy), tri-phenylphosphine (TTP) and HgX 2 (where X = SCN, CN) as Lewis acids have been isolated and characterized by infrared spectrophotometry.

TL;DR: In this article, the preparation, structure, and properties of a dimeric copper (II) compound, chloro-N-(2-hydroxypropyl)salicylaldimino copper(II), are reported.

TL;DR: In this paper, a survey is given of investigation carried out on compounds (π-C5H5)2MRn, where M =Ti, V, Zr, Nb and R is an alkyl, aryl, or allyl group.

TL;DR: In this paper, the photochemical behavior of IrCl 6 2− has been investigated in acid solutions both in the presence and absence of Cl − ions, and the results show that the complex is little photosensitive and that the nature and the quantum yield of its photoreactions depend on the type of excited state reached upon irradiation.

TL;DR: In this article, the decomposition of dicobalt octacarbonyl, dissolved in toluene, to tetracobalt dodecacarbaronyl and carbon monoxide can be described by the kinetic equation −[Co 2 (CO) 8 ] dt = k [Co 2 [Co 8 ] 2 (p co ) −4.

TL;DR: The effect of arene Cr(CO) 3 complexes as hydrogenation catalyst in homogeneous solution has been studied in this article, where the concept of coordinative unsaturation has been used in proposing a mechanism for the catalytic role of these catalysts in the hydrogenation of dienes.

TL;DR: In this article, the authors investigated the kinetics of the replacement of the bidentate ligands by phosphites, and the results support a mechanism quite similar to that proposed for analogous complexes containing ethylene-bridged bidentates which form five-membered chelate rings, which involves reversible dissociation of one end of the ligand, followed by nucleophilic attack of the phosphite on the resulting five-coordinate intermediate.

TL;DR: In this paper, a new type of isomerism was reported for a wide variety of transition metal carbonyl complexes of the general type (π-Ring)M(CO)(L)X where L is a tertiary phosphine or phosphite ligand.

TL;DR: In this paper, the cordinative reactivity and stability of the species Pt(PPH 3 ) 2 are reported; its reactivity towards small molecules is compared with that of a chemisorption center on a metal surface.

TL;DR: In this article, a comparison of the kinetics of substitution by phosphite ligands of cyclopentadienyl iron and ruthenium carbonyl halides is reported and in all cases a dissociative mechanism indicated.

TL;DR: The isomer shift in organotin(IV) compounds is examinded as a function of the polarity, number, and disposition of the tin-ligand bonds.

TL;DR: In this article, the positions of the νM-Obands of the complexes of various phosphato and phosphonato ligands are suggestive of formation of two types of polymers.

TL;DR: It has been shown from molecular weight determination and infrared spectra that lithium 2,6-di-tert-butyl-4-cresoxide-THF adduct is dimeri in benzene solution as well as in the crystalline state as discussed by the authors.

TL;DR: In this article, the authors studied the kinetics of the Ce, Nd, Gd, Tb, and Lu isotope exchange reactions in weakly acidic medium in the systems Ln 3+ -LnEDTA and DCTA.

TL;DR: In this paper, the dipole moment derivatices for the carbonyl strectching modes in monosubstituted (c 3v tribonal bipyramidal metal carbonyls) have been calculated assuming that each carbony l stretching mode exhitits a characteristic MCO group moment derivative.

TL;DR: In this article, the properties of 4-ethoxypyridine N-oxide (EPNO) complexes with Co II, Ni II, Cu II and Zn II nitrates are reported.

TL;DR: The infrared-active γ(CC) frequencies in the various metal complexes of diphenylphosphinophenylacetylene can be used as indicators of the relative amounts of retrodative π-bonding from filled metal d orbitals to the empty phosphorus d orbital of the phosphine ligand as discussed by the authors.

TL;DR: The crystal and molecular structure of Dithiocyanatotetrakis (methyldiphenylphosphine)dicopper(I) [CuNCS(PCH 3 (C 6 H 5 ) 2 ) 2 ] 2 has been determined from three-dimensional X-ray data collected from a single crystal as mentioned in this paper.

TL;DR: In this article, the crystal structure of ferroelectric NaTh2(PO4)3 has been determined using X-ray diffraction techniques, and the structure was solvend from 913 observed, independent reflections.