Showing papers in "Inorganica Chimica Acta in 1968"

TL;DR: In this paper, a systematic investigation of the systems MNbS6 and mTaS2 (M = Mn, Fe, Co, Ni) revealed the presence of the compounds MNb3S66 and MTa36.

TL;DR: A series of clathrates with the general formula M(NH3)2M′(CN)4.2G were prepared in this article, and their structures have been ascertained by powder X-ray diffractometry to be similar to that of Hofmann's clathrate Ni(NH 3)2Ni(CN 4.2C6H6.

TL;DR: In this article, the preparation of high-spin five-coordinate complexes of composition, [ML 5 ] 2+ and [ML 4 (ClO 4 )] 2+, L = Me 3 PO and Me 3 AsO is reported for a number of first row divalent transition metal ions.

TL;DR: In this article, two forms of two forms were prepared for complexes of the type Ni(3-methoxysalicylideneiminato)nickel(II), where Y denotes a chlorophenyl or bromophenyl.

TL;DR: In this paper, a mechanism of nucleophilic attack at the carbonyl carbon is proposed for the formation of the carboxamido and alkoxycarbonyl derivatives, and the properties of the new compounds are listed.

TL;DR: In this article, the spectroscopic data obtained for the complexes are in full agreement with the proposed structures and it appears that the donating properties of the methoxycarbene ligands are of comparable magnitude to those of triaryl phosphines.

TL;DR: In this paper, the vibrational spectra of xanthates have been studied and potential constants are determined by Wilson's GF matrix method using Urey-Bradely force field.

TL;DR: In this paper, the chemical shift and line width were discussed using Ramsey's expression and assuming quadrupolar interaction for forty tervalent diamagnetic cobalt complexes, and it was shown that chemical shift is correlated with the total electronegativity of all ligand atoms and radial factors.

TL;DR: In this article, the preparation and properties of hydrido-complexes of cobalt(III), CoH 3 L 3 (L = P(C 6 H 5 ) 3, P (C 6 D 5 ), PEtPh 2, PEt 2 Ph).

TL;DR: In this paper, the mechanism of reaction of the nitro-prusside system with certain anions, e.g. CNS −, N 3 −, in which the active species is the intermediate, Fe(CN) 5 NO 2 H 3−, was re-examined.

TL;DR: In this paper, the carboxamido complex, Mn(CO)4(CONHR)(NH2R), was regenerated by the reaction of primary aliphatic amines with a primary amine, RNH2.

TL;DR: In this article, Dimethylgold(III) azide has been synthesized and found to be dimeric and skeletal vibrations of this compound which contains only bridging azides have been assigned on the basis of D 2h symmetry.

TL;DR: In this article, the infrared spectra of diethylenetriamine (dien) complexes of the type [M III dien X 3 ] with M III = Cr, Co, Rh, and X = halogen have been prepared.

TL;DR: The dioxygenyl salts of arsenic and antimony hexafluoride were synthesized by a photochemical reaction by exposure of a mixture of oxygen, fluorine and the appropriate pentafluoric acid to daylight as discussed by the authors.

TL;DR: In this article, the infrared spectra of metal sulphate complexes of the α-diimine ligands, 2-(2-pyridyl)benzothiazole (pbt) and 2-(6-methyl-2-, 2-paridyl (2-paris-2,paris)-parisothiazoles (mpbt), are reported.

TL;DR: The solubility product constants of silver bromide(I), iodide(II), and thiocyanate(III) and the over-all formation constants β of AgnXm(m−n)− (X = Br, I, SCN) complexes in sulfolane at 30°, have been calculated from potentiometric titrations.

TL;DR: In this paper, the crystal structure of Dioxo-dinitratobis(triphenylarsineoxide) uranium(VI) has been determined by X-ray diffraction.

TL;DR: A series of gold(III) complexes of the type AuX 3. L, where L = pyridine, P = 4-cyanopyridine and X = Cl or Br, have been prepared, the bromo-complexes for the first time, and their infrared spectra have been recorded in the range 450-70 cm −1 as nujol mulls as mentioned in this paper.

TL;DR: The analysis of substituent effects in the π-bonded benzenes showed that while for ortho and para positions, for the meta position this behaviour is inverted in the two series of compounds as mentioned in this paper.

TL;DR: In this article, the reaction rates follow an S N 1 and/or S N 2 mechanism depending upon the electronegativity of X and the nucleophilicity of L. The values of k 1 are in agreement with the ν c-o and are referred to a dissociation mechanism.

TL;DR: In this paper, the reduction of a cis-sulphatoaquotetra-ammine-cobalt-(III) ion by chromium(II) in aqueous perchloric acid proceeds through both single and double-bridged transition states.

TL;DR: In this article, a new type of clathrates, (Cd(en)M′(CN)4.2G), with a host lattice of three dimensions was prepared.

TL;DR: The p.m.r. IR spectra of trimethyltinchloro-and-fluoroacetates have been studied in this article and it has been shown that the molecules are mainly monomeric and tetragonal, but also some associated species must be present for the dichloro-, trichloro, and trifluoroacetate.

TL;DR: In this paper, the ligand-field bands for these metal complexes have provided valuable information on their geometry around the central metal atoms, including the tetragonally distorted tetrahedral configuration.

TL;DR: In this article, the 2-pyridylbenzothiazole (pbt) is used as a bidentate ligand, coordinating through both nitrogen atoms.

TL;DR: In this paper, the anation of the complex ion RH(NH3)5OH2]3+ has been studied at 65°C, in water solutions of controlled ionic strength.

TL;DR: The structure of CoMo2S4 has been determined from X-ray powder diagrams as mentioned in this paper, which is monoclinic with a deformed hexagonal close packing of the sulfur atoms and Co and Mo in octahedral surroundings.

TL;DR: In this article, the absorption spectra of very air-sensitive dipyridyl complexes of rare-earths were reported. But the results were limited to very low energy bands with complex structure.

TL;DR: The cis and trans isomers of L[Co(-)pn 3 ] 3+ (pn = propylenediamine) have been separated as the chloride and bromide salts.

TL;DR: In this paper, the P.M. spectra of thiophene-chromium-tricarbonyl and of the two monomethyl derivatives have been recorded both in chloroform-d 1 and acetone-d 6 solution.