New series of platinum group metal complexes bearing η5- and η6-cyclichydrocarbons and Schiff base derived from 2-acetylthiazole: Syntheses and structural studies

Synthesis and characterization of complexes imparting N-pyridyl bonded meso-pyridyl substituted dipyrromethanes

“…Details about the data collection, solution and refinement is summarized in the crystallographic section, selected geometrical parameters are summarized in Table 1 and ORTEP views at 30% thermal ellipsoid probability is depicted in Figs. 2 ring separations are 1.659, 1.761 Å, respectively and are close to those reported for other (g 6 -C 10 H 14 )-Ru(II), (g 5 -C 5 Me 5 )-Ir(III) complexes [37,38,62]. The X-ray crystal structures of the complexes exhibited that free pyrrolic N-H in these complexes are involved in strong hydrogen bonding interactions leading to a dimer in complex 3, while a zig-zag structural motif along crystallographic-'a' axis in complex 8 (Figs.…”

“…The electronic spectra of 1-8 displayed bands at, $413/ 411(1/2), $416/418 (3/4) in ruthenium complexes and $402/ 401(5/6), $445/435(7/8) nm in the rhodium and iridium complexes, respectively. On the basis of its position and intensity it has been assigned as MLCT transitions [57][58][59][60][61][62] (Fig. 1).…”

Synthesis, structural, DFT calculations and biological studies of rhodium and iridium complexes containing azine Schiff-base ligands

“…Dinuclear transition metal complexes of Cu, Zn, Mn and Ni have been reported with bridging N-N diazine ligands which give rise to strong ferromagnetic and antiferromagnetic coupling [23]. In the recent years our group has reported many half-sandwich Ru(II), Rh(III) and Ir(III) complexes with azine ligands [24,25]. In continuation with our interest of these ligands herein we report four new azine Schiff base ligands derived from 2-pyridylamidrazone and its corresponding rhodium and iridium halfsandwich metal complexes.…”

Syntheses and characterization of mono and dinuclear complexes of platinum group metals bearing benzene-linked bis(pyrazolyl)methane ligands

“…The distance between the ruthenium atoms and the centroid of the C 6 [24,40]. The average Ir-C distances of complex 7 is slightly shorter (2.16 Å) than the corresponding Ru-C distances.…”