Mössbauer spectroscopy of iridium compounds. Part I. Some iridium-(III) complexes
Abstract
Mössbauer spectra of 15 complexes of IrIII have been recorded. Using these data, in addition to those of published work, it has been found that partial isomer-shift and partial quadrupole-splitting treatments are not very satisfactory for these complexes. One of the reasons is because the localised bonding that is the basis of such a treatment is less true for IrIII than for FeII complexes. The interaction of one ligand bond with the others is also supported by n.m.r. data on complexes of ligands with phosphorus-donor atoms.