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Organometallic Chemistry
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):
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COURSE |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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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
Discussion
Tutorials
Multimedia presentations |
Written test
Google quiz
Assignment
Semester end examination
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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.
Preparation, properties, structure and bonding of -carbene and carbine complexes (both Fischer and Schrock types), nucleophilic and electrophilic reactions on the ligands, role in organic synthesis.
Preparation properties, structure and bonding of h4- diene complexes, h5- dienyl complexes, h6- arene & triene complexes (nucleophilic and electrophilic substitution), fluxionality and dynamic equilibria in such as h2- olefin, h3- allyl and h5-dienyl complexes.
Principles and important reactions of transition metal organometallics: Co-coordinative 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.
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.
- The Organometallic Chemistry of the Transition Metals; Fourth Edition; R. H. Crabtree; John Wiley and Sons, Inc., New Jersey, 2005.
- Organometallic Chemistry: A Unified Approach; Second Edition; R.C. Mehrotra and A.Singh; New Age International Private Limited, New Delhi, 2000.
- Inorganic Chemistry; Fifth Edition; Gary L. Miessler and Donald A. Tarr; Pearson Education Inc. Singapore, 2013.
- Inorganic Chemistry (Principle and Structure and Reactivity); Fourth Edition; J. E Huheey, E. A. Keiter, R. L. Keiter; Pearson India, New Delhi, 2013
- Advanced Inorganic Chemistry, Sixth Edition; F.A. Cotton, G. Wilkinson, C.A. Murillo, M. Bochmann; John Wiley and Sons, USA, New York, 2007.
- Concepts and Models of Inorganic Chemistry; Third Edition; B. Douglas, D. McDaniel; John Wiley and Sons, India, 2006.
