Organometallic Chemistry

Paper Code: 
CHY- 322
Contact Hours: 
Max. Marks: 

Course Objectives :

The course aims to develop a vast knowledge about different reactions leading to the formation of various organometallic complexes and the mechanism involved in homo- and heterogeneous catalysis, to make the students learn about the various applications of organometallic complexes in catalysis and to acquaint them with the promising future of organo-transition metal chemistry in industrial, biological and environmental fields.

Course Outcomes (COs):



Learning outcomes (at course level)

Learning and teaching strategies

Assessment Strategies

Paper Code

Paper Title

CHY 322

Organometallic Chemistry

The students will be able to-

CO97-classify and discuss the systematic nomenclature of organometallic compounds.

CO98- calculate valence electron counts in organometallic compounds

CO99- discuss the symmetry, structure and bonding of M-C s bonded and M-C multiple bonded organometallic compounds

CO100- describe in detail the reaction mechanisms of various homogeneous and heterogenous catalysts.

CO101- differentiate between terminal and bridging carbonyls and will be able to interpret the type of bonding on the basis of IR spectra.

Interactive lectures






Multimedia presentations

Written test


Google quiz




Semester end examination




Unit I: 
Introduction to Organometallic Compounds

Types of transition metal to carbon bonds. Classification of organometallic compounds based on hapticity and polarity of M-C bond. Nomenclature and general characteristics, electron  counting (16 and 18  electron rules).

Routes of synthesis for s-alkyls and aryls of  transition metals, stability of organometallic compounds and decomposition  pathways; Organocopper in organic synthesis.


Unit II: 
Metal-Carbon Multiple Bonded Organometallics-I

Preparation, properties, structure and bonding of carbene and carbyne complexes( both Fischer and Schrock types), nucleophilic and electrophilic reactions on the ligands, role in organic synthesis.                                           



Unit III: 
Metal-Carbon Multiple Bonded Organometallics-II

Preparation, properties, structure and bonding of ƞ- diene complexes, ƞdienyl  complexes, ƞ6 - arene & triene complexes(nucleophilic and electrophilic substitution), fluxionality and dynamic equilibria in such as ƞ2 - olefin,  ƞ3- allyl  and    ƞ- dienyl    complexes.




Unit IV: 
Catalysis by Organotransition Metal Complexes

Principles and important reactions of Transition Metal Organometallics: Co-ordinative  unsaturation oxidative addition, insertion and product isolation(reductive elimination and   β- elimination).

Homogeneous catalysis: Hydrogenation of alkenes, hydrosilylation of alkenes, metathesis    of alkenes, oligomerization and polymerization of alkenes and alkynes, hydroformylation of  alkenes, acetic acid synthesis and other carbonylation reactions, oxidation reactions of  alkenes.

Heterogeneous catalysis: Fischer Tropsch process- Methanation reaction, synthesis of methanol, gasoline production, water gas shift reaction, role of ZnO/Cr2O3 in the reaction, acetic acid synthesis, role of CO catalyst.



Unit V: 
Metal π-Complexes

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.



Essential Readings: 
  1. The Organometallic Chemistry of the Transition Metals; Fourth Edition; R. H. Crabtree;  John Wiley and Sons, INC., New Jersey, 2005.
  2. Organometallic Chemistry: A Unified Approach; Second Edition; R.C. Mehrotra and A.Singh; New Age International Private Limited, New Delhi, 2005.
  3. Inorganic Chemistry; Third Edition; G. L. Miessler and D. A. Tarr; Pearson Education Inc., Singapore, 2005.
  4. Inorganic Chemistry, Principles of Structure and Reactivity; Fourth Edition; J.E. Huheey, E.A. Keiter and R.L. Keiter; Harper Collins, 2001.
  5. Advanced Inorganic Chemistry; Fifth and Sixth Edition; F.A. Cotton and G. Wilkinson; John Wiley and Sons, New York, 2003.
  6. Concepts and Models of Inorganic Chemistry; Third Edition; B. Douglas, D. McDaniel; John Wiley and Sons, Singapore, 2001.


Academic Year: