SUPRAMOLECULAR AND PHOTOINORGANIC CHEMISTRY

Paper Code: 
CHY 425 A
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objective(s) :

This course will enable the students to –

get acquainted with the host guest chemistry of supramolecules and the basics of photoinorganic chemistry.

Course Outcomes (COs):

Course Outcomes

Teaching Learning Strategies

Assessment Strategies

On completion of this course, the students will be able to-

CO129:explain the fundamental concepts of supramolecular chemistry and classify types of host-guest compounds and different supramolecular interactions

CO130:compare various types of binding in supramolecules and infer different types of molecular recognitions.

CO131:develop an understanding about the applications of supramolecules

CO132:discuss reaction conditions for different types of photoinorganic transformations.

CO133:summarize physical properties of electronic excited states.

  • Interactive lectures
  • Tutorials
  • Group discussions
  • Use of models
  • Digital learning
  • Problem solving sessions
  • Assertion and Reasoning

 

  • Oral and written examinations
  • Assignments
  • Quiz

 

 

 


 

 

15.00
Unit I: 
Supramolecular Chemistry-I

Definition and development of supra molecular chemistry, nature of supramolecular interactions (ion pairing, ion-dipole, dipole-dipole, dipole-induced dipole and ion-induced dipole, van der Waals or dispersion, hydrogen bonding, cation-π, anion- π,  closed shell, π - π stacking). classification of host-guest compounds, pre-organisation and complementarity- thermodynamic and kinetic effects.
Cation Binding: Complexation by crown ether, cryptands (spherical and tetrahedral recognition), spherands, lariat ethers and podands, recognition of ammonium ions, synthesis- template effect and high dilution, biological significance- valinomycin and nonactin.
Anion Binding: Basic concepts of anion binding, cyclophanes and guanidinium-based receptors,neutral receptors- zwitterions, amide-based receptors, biological significance- phosphate and sulphate binding properties.
Binding and recognition of neutral molecules.

11.00
Unit II: 
Supramolecular Chemistry-II

Coreceptor molecules and multiple recognition: Dinuclear and polynuclear metal ion cryptates, linear recognition of molecular length by ditopic coreceptors, heterotopic coreceptors- cyclophane receptors, amphiphilic receptors, large molecular cages, multiple recognition in metalloreceptors.
Transport processes and carrier design: Cation, anion and coupled transport process.

 

11.00
Unit III: 
Supramolecular Chemistry-III

Supramolecular devices: Supramolecular photochemistry, supramolecular electronic, ionic and switching devices.
Supramolecular catalysis: Supramolecular metallocatalysis, co-catalysis, bimolecular and abiotic catalysis.

 

11.00
Unit IV: 
Photoinorganic Chemistry -I

Photochemical laws, physical properties of the electronically exited states- dipole moment, acid base strengths, redox potential, geometry of some electronically exited molecules, Wigner’s spin conservation rule, lifetime of excited electronic states of atoms and molecules.

12.00
Unit V: 
Photoinorganic Chemistry–II

Photochemical reactions of octahedral complexes of Cr(III): Some properties of ligand field excited states and energy level diagrams, photosubstitution (aquation) reactions of Cr(III) complexes, photosubstitution, photoisomerisation and photoredox reactions of square planar complexes of Pt(II), photochemical splitting of water and photochemistry of [Ru(bpy)3]+2, TiO2 as an important photocatalyst.

Essential Readings: 
  • Supramolecular Chemistry, Second Edition; J. W. Steed, J. L. Atwood; Wiley, New York,2009.
  • Elements of Inorganic Photochemistry, First Edition;  GJ. Ferraudi; John Wiley and Sons, 1988.

 

References: 

SUGGESTED READINGS:

  • Supramolecular Chemistry: Concepts and Perspectives, First Edition; J.M. Lehn; VCH Publishers, 2014.
  • Bioorganic, Bioinorganic and Supramolecular Chemistry, Third Edition; P. S. Kalsi, J. P. Kalsi; New Age International, New Delhi,2017.
  • Fundamentals of Photochemistry, Third Edition; K.K. Rohatgi-Mukherjee; New Age International (P) Ltd.,New Delhi,2007.
  • Concepts of Inorganic Photochemistry; A. W. Adamson and P. D. Fleischaur, John Wiley & Sons, 1984.
  • An Introduction to Supramolecular Chemistry, First Edition; A. Das, M. Das; CBS Publishers and Distributors Pvt Ltd, New Delhi, 2017.
  • Fundamental Concepts of Inorganic Chemistry, Second Edition, Volume III; A. Das, M. Das; CBS Publishers and Distributors Pvt Ltd, New Delhi, 2011.

e-RESOURCES:

 

Academic Year: