77244-07-6Relevant academic research and scientific papers
PYRAZOLATE BRIDGED DINUCLEAR RHODIUM COMPLEXES, X-RAY STRUCTURE OF 2
Uson, R.,Oro, L.A.,Ciriano, M.A.,Pinillos, M.T.,Tiripicchio, A.,Tiripicchio Camellini, M.
, p. 247 - 257 (2007/10/02)
The synthesis and properties of complexes of general formulae 2 (Pz = pyrazolate ion, L = phosphorus donor ligand), 2 and 2 are reported.The crystal structure of the novel complex 2 has been determined by X-ray methods.The crystals are triclinic, space group P1, with Z = 2 in a unit cell of dimensions a 14.061(10), b 17.140(13), c 9.937(7) Angstroem, α 102.19(7), β 10.9.55(8), γ 75.14(8) deg.The structure has been solved by Patterson and Fourier methods and refined by full-matrix least-squares to R = 0.058 for 2514 independent observed reflections.The structure consists of discrete dimeric complexes in which each rhodium is in nearly square-planar arrangement, being bonded to a carbon atom of a carbonyl group, to a phosphorus of a triphenylphosphite ligand and to two nitrogen atoms of pyrazolate ligands bridging the metal atoms.The dihedral angle between the two square planes of 86.2 deg gives a bent configuration to the molecule in which the carbonyls and the phosphite ligands are in a trans arrangement.
