Organometallic Chemistry

Paper Code: 
24CHY322
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

This course will enable the students 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, learn about the various applications of organometallic complexes in catalysis and get acquainted them with the promising future of organo-transition metal chemistry in industrial, biological and environmental fields.

 

Course Outcomes: 

Course

Learning outcome

(at course level)

Learning and Teaching Strategies

Assessment Strategies

Course Code

Course

Title

 

24CHY322

 

Organometallic Chemistry (Theory)

CO104:  Classify organometallic compounds, calculate valence electron counts, discuss routes of synthesis and decomposition pathways of organometallic compounds.

CO105:  Discuss preparation, properties, structure, bonding of carbene and carbyne complexes

CO106:  Discuss the properties, structure and bonding of M-C multiple bonded organometallic compounds.

CO107:   Describe and identify the reaction mechanisms of various homogeneous and heterogenous catalysts.

CO108:   Explain structure, bonding and properties of metal carbonyls, dinitrogen and dioxygen complexes, differentiate between terminal and bridging carbonyls and interpret the type of bonding on the basis of IR spectra.

CO109:  Contribute effectively in course-specific interaction.

Approach in teaching:

Interactive lectures, tutorials, group discussions and e-learning.

 

Learning activities for the students:

Peer learning, e- learning, problem solving through tutorials and group discussions.

 

 

Written examinations,

Assignments,

Quiz

  •  

 

10.00
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.

 

 

10.00
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.

13.00
Unit III: 
Metal-Carbon Multiple Bonded Organometallics-II

Preparation, properties, structure and bonding of h4- diene complexes, h5- dienyl  complexes, h6- arene complexes,fluxionality and dynamic equilibria in such as h2- olefin,  h3 allyl and h5-dienyl complexes.

 

15.00
Unit IV: 
Catalysis by Organotransition Metal 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.

 

12.00
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, metal carbonyl clusters.

Dinitrogen and dioxygen complexes: Preparation, properties, structure and bonding.

 

Essential Readings: 
  1. Organometallic Chemistry: A Unified Approach, Second Edition; R.C. Mehrotra, A.Singh; New Age International Private Limited, New Delhi, 2000.
  2. Inorganic Chemistry, Fifth Edition; G. L. Miessler, D. A. Tarr; Pearson Education Inc. Singapore, 2013.
  3. Inorganic Chemistry (Principle of Structure and Reactivity), Fourth Edition; J. E Huheey, E. A. Keiter, R. L. Keiter; Pearson India, New Delhi, 2013

 

References: 
  1.  The Organometallic Chemistry of the Transition Metals, Fourth Edition; R. H. Crabtree;  John Wiley and Sons, Inc., New Jersey, 2005.
  2. Advanced Inorganic Chemistry, Sixth Edition; F.A. Cotton, G. Wilkinson, C.A. Murillo, M. Bochmann; John Wiley and Sons, USA, New York, 2007.

 

e-Resources:

1.     https://nptel.ac.in/courses/104101079

2.     https://nptel.ac.in/courses/104101091

3.     https://epgp.inflibnet.ac.in/Home/ViewSubject?catid=13G8VouhmrFfuhs6rkiyTA==  (P11)

 

Academic Year: 
2024-2025
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