Showing papers in "Polyhedron in 1982"

TL;DR: Early attempts on the systematics of the Lanthanoids have been made by early attempts on early attempts as discussed by the authors and early attempts have made on the Systematics of Lanthanoid properties.

TL;DR: In this article, the halogenation of (C2B9H11)2Co−Cs+ by elemental halogens in alcohol and γ-radiation-induced halogenations by CHBr3, CH

TL;DR: The bipyrimidine complexes are characterised by microanalysis and spectroscopy (IR, 1H and 13C NMR, UV/vis) as mentioned in this paper, where the unpaired electron is localised on the bridging bpym ligand.

TL;DR: In this paper, the authors demonstrated that well-resolved 14 N- 195 Pt couplings can be observed in the NMR spectra of Pt(II) and Pt(IV) amine complexes, including anti-tumour agents, at elevated temperature.

TL;DR: The versatile sulphonic acid group has been introduced into the family of interlamellar anchored materials and has been shown to be useful for strong acid ion exchanger and Bronsted acid catalysts.

TL;DR: In this article, metaphenylenediamine and acetylacetone react in presence of divalent nickel, cobalt and copper salts to form complexes of a 16-membered N4 tetradentate macrocycle.

TL;DR: In this article, a range of 6,6″-disubstituted derivatives of 2,2′: 6,2″-terpyridine have been prepared with the intention of forming macrocycles incorporating the terpyridyl moiety.

TL;DR: In the presence of hex-1-ene, this last reaction gives acetone and hexane in the absence of illumination as mentioned in this paper, which is known as photolysis of RhH(PiPr3)3 or RHH(CO)(PiP3)2 in solution in primary alcohols (RCH2OH) produces H2, CO and RH, whereas hydrogen and acetone are produced from propan-2-o l;

TL;DR: In this paper, a single crystal X-ray diffraction study of the phospha-alkene complexes cis and trans was performed and it was shown that the bonding of the alkene to the metal is via the phosphorus lone pair and this was confirmed by a single single crystal diffraction of cis -[PtCl 2 (PEt 3 ){(mesityl)P=CPh 2 ]CHCl 3.

TL;DR: In this article, a single-crystal X-ray structure of [Os4H2(CO)12(AuPPh3)2] is reported and reveals a novel Ph3PAuAuPh3 unit asymmetrically bridging one edge of an Os4 tetrahedron, the first example of a mixed gold-metal carbonyl cluster with an Au-Au bond.

TL;DR: In this article, the structure of the anion in (NH4)4[Mo8O26], 5H2O, deduced by Lindqvist in 1950 from the Mo coordinates alone, was confirmed.

TL;DR: In this article, the structure of [Hg(4-MP)2]2+ cations and ClO4− anions packed in layers paralell to the (100) plane was determined by X-ray crystallography.

TL;DR: In the presence of excess PMe3 the phenylimido compounds in tetrahydrofuran are reduced by sodium amalgam giving products whose nature depends on the atmosphere (Ar, N2, H2 CO, butadiene) used as mentioned in this paper.

TL;DR: A number of trimethyl- and diethylphenylphosphine complexes of rhenium have been obtained by sodium amalgam reduction of ReCl4(THF)2 on from Re(NPh)Cl3(PMe3)2 and their reactions studied.

TL;DR: In this article, total NMR band shape fitting methods have provided accurate energy data for inversion barriers at sulphur and selenium in complexes of types cis-[MX2L] (M = PdII, PtII; X = Cl, Br, I; L = MeS(CH2)2SMe, MeS (CH 2)3SMe), o-(SMe)2C6H3Me, cis-MeSCH=CHSMe).

TL;DR: In this paper, the crystal structure of the title compound was determined at room temperature (ca. 21°C) using single crystal X-ray and neutron diffraction data, and the two sets of coordinates obtained agree remarkably well even for the hydrogen atoms but, since the neutron results are more reliable for hydrogen atom positions, their discussion is based on these.

TL;DR: In this paper, the neutral tris -2,2′-bipyridine(bipy) and 1,10-phenanthroline(phen)compounds Mbipy 3 and Mphen 3 can be made conveniently in high yield by sodium amalgam reduction of the chlorides of Ti, Zr, Hf, V, Nb, Ta, Cr or better.

TL;DR: In this paper, the authors described the extraction of In(III) from 1M (Na,H) (Cl,ClO4) media with 4-acylpyrazol-5-ones (HL) in toluene at 25°C.

TL;DR: In this paper, the synthesis and structure elucidation of the dimeric or monomeric nature of several molybdenum oxo-complexes of 2-methyl-8-quinolinol (2-methyloxine) have been described.

TL;DR: In the presence of AgClO4, chloro(η5-cyclopentadienyl)(triphenylphosphine)palladium(II) was treated with triphenyl-phosphonium benzoylmethylid as discussed by the authors.

TL;DR: In this article, a series of fluxional five coordinate intermediates [Ru(Cl) (L-L) 2 ]X 2, which in some cases may contain ion pairs, are shown to contain a dppm ligand bridging ruthenium and silver, the bond between which is reversibly cleaved by nitromethane on the nmr timescale.

TL;DR: In this paper, the carborane cage was found to be disordered in the crystal but the essential features of the molecular geometry were not obscured, and the Fe-arene (centroid) distance of 160 A is similar to that found in the previously characterised [(CH 3 ) 6 C 6 ]Fe I (C 5 H 5 ) complex, despite the difference in the metal electronic configurations (d 6 vs d 7 ) and the change from the B 9 C 2 H 11 2− cage to C 5H 5 − Crystals of 3,1,

TL;DR: In this paper, the authors investigated the influence of diluents and inorganic anions with synergistic acidic extractant + liquid anion exchanger systems on the extraction of Co(II) with mixtures of 1-phenyl-3-methyl-4-benzoyl-pyrazol-5-one ((H)PMBP) and tri-n-octylamine (TOA) and showed that the presence of ClO4− SO42− or Cl− anion modifies the distribution of the anions which are associated to (HT

TL;DR: The cyclopentadienyllanthanides (C5H5)2Yb, (C 5H5C5 H5H 5 )3M(thf) (M = Sm or Nd; thf = tetrahydrofuran) have been obtained from reactions of lanthanide elements with thallous cyclophantadienide as discussed by the authors.

TL;DR: In the octahedral ReCl(CNBu t ) 3 (PMe 3 ) 2, for which the structure is not well defined, due to disorder, the unique isocyanide trans to chlorine is considerably bent at the nitrogen atom [C Nˆ C = 141(6)°] and appears to show the shortest Re C bond length, 1.94(5) vs 2.003(7)A].