Advanced Inorganic Chemistry

Paper Code: 
CHY - 221
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 
To learn the importance of metal ions in living systems and to know the unique bonding system in inorganic chains, clusters and cages.
 
12.00
Unit I: 
Symmetry and Group Theory
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.
 
14.00
Unit II: 
Electronic Spectra of Transition Metal Complexes
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.
 
12.00
Unit III: 
Metal π-complexes
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, 
 
10.00
Unit IV: 
Boron Cage Compounds and Metal Clusters
Higher boranes, carboranes, metalloboranes and metallocarboranes; compounds with metal-metal multiple bonds. 
 
12.00
Unit V: 
Role of Metal ions in Biosystems
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 modal complexes of Fe, Co and Cu.
 
Essential Readings: 
  1. Chemical Applications of Group Theory, Third Edition; F.A. Cotton; John Wiley and Sons, Singapore, 1999.
  2. Bioinorganic Chemistry; First Edition; I.Bertini, H.B.Gray, S.J.Lippard, J.S.Valentine; Viva Books Pvt Ltd., New Delhi, 1998.
  3. Advanced Inorganic Chemistry, Fifth Edition; F.A. Cotton and G. Wilkinson; John Wiley and Sons, USA, New York, 1988.
  4. Inorganic Chemistry; Third Edition; Gary L. Miessler and Donald A. Tarr; Pearson Education Inc. Singapore, 2007.
  5. Inorganic Electronic Spectroscopy; Second Edition; A.B.P. Lever; Elsevier Science   Publishing CompanyInc., New York, 1984.
  6. Coordination Compounds; S.F.A Kettle; Thomson Nelson and Sons Limited, 1975.
 
Academic Year: 
2016-2017
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