Symmetry elements and symmetry operations, definitions of group and subgroup, relation between orders of a finite group and its subgroup, conjugacy relation and classes, point group symmetry, schonfiles symbols, representations of group by reducible and irreducible presentations and relation between them (representation for the Cn, Cnv, Dnh etc. groups to be worked out explicitly), character of a representation, the great orthogonality theorem (without proof) and its importance, character tables of C2v and C3v and their use.
Pre requisite: Determination of ground state – Hund’s Rule, spin orbit coupling.
Selection rules for electronic transitions, spectroscopic ground states, splitting of dn terms in octahedral and tetrahedral field; correlation diagrams, Orgel and Tanabe-Sugano diagrams (d1-d9 states); spin cross-over; field strength, spectrochemical series, nephelauxetic series; calculations of Racah parameters; applications of Tanabe-Sugano diagrams in determining ∆o from spectra; charge transfer spectra and its application in inorganic & coordination compounds.
Pre requisite: Mononuclear carbonyls.
Metal carbonyls: preparation, properties, structure and bonding with special reference to dinuclear and polynuclear carbonyls; vibrational spectra of metal carbonyls (bridging and terminal) for bonding and structural elucidation, dinitrogen and dioxygen complexes; metal carbonyl clusters.
Higher boranes, carboranes, metalloboranes and metallocarboranes; compounds with metal-metal multiple bonds.
Transport and storage of dioxygen: haeme proteins and oxygen uptake; models of oxygen binding; structure and functions of haemoglobin, myoglobin, haemocyanin and haemerythrin.
Structure and function of metalloproteins in electron transport processes – cytochromes with special reference to cytochrome C; iron sulphur proteins – ferredoxins; biological nitrogen fixation and its mechanism, nitrogenenases, dinitrogen complexes as models for nitrogen fixation, dioxygen model complexes of Fe, Co and Cu.