CHEMISTRY OF COORDINATION COMPOUNDS

Metal based compounds of biological relevance. Constitution of complexes. Types of central metal atoms and types of ligands. Polymetallic complexes. Structural isomerism and steric isomerism. The electronic specra of atoms. Spectroscopic terms. Microstates and terms allowed. Russel-Saunders coupling. Crystal-field theory. Weak-field and strong-field limits. Tanabe-Sugano diagrams. Ligand-field theory. The electronic spectra of complexes. Charge-transfer bands. Metal-metal bonding and mixed-valence complexes. Correlation theory-experiment: spectroscopic measurements, spectrochemical series, chiroptical measurements, magnetic measurements, electron paramagnetic resonance. Coordination equilibria. Kinetics and reaction mechanism of coordination compounds.