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Supramolecular and Photoinorganic Chemistry
Course Objectives :
The course aims to acquaint the students with the host guest chemistry of supramolecules and the basics of photoinorganic chemistry.
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 425(A) |
Supramolecular and Photoinorganic Chemistry |
The students will be able to-
CO149-explain the fundamental concepts of supramolecular chemistry and classify types of host-guest compounds and different supramolecular interactions CO150-compare various types of binding in supramolecules and infer different types of molecular recognitions. CO151-discuss reaction conditions for different types of photoinorganic transformations. CO152-summarize physical properties of electronic excited states. |
Class lectures
Tutorials
Group discussions
Seminar
Power point presentation |
Written test
Google Quiz
Assignment
Semester End Exam
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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.
- 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.
- Supramolecular reactivity: Transport processes and carrier design.carriers: Cation, anion and coupled transport process.
- Supramolecular devices: Supramolecular photochemistry, supramolecular electronic, ionic and switching devices.
- Supramolecular catalysis: Supramolecular metallocatalysis, bimolecular and abiotic catalysis.
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. Life time of excited electronic states of atoms and molecules.
Photochemical reactions of octahedral complexes of Cr(III): Some properties of ligand field excited states andenergy 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.
- Supramolecular Chemistry: Concepts and Perspectives; First Edition; J.M. Lehn; VCH Publishers, 2014.
- 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.
- Bioorganic, Bioinorganic and Supramolecular Chemistry; Third Edition; P. S. Kalsi, J. P. Kalsi; New Age International,New Delhi,2017.
- Concepts of Inorganic Photochemistry; A. W. Adamson and P. D. Fleischaur, John Wiley & Sons, 1984.
- Fundamentals of Photochemistry; Third Edition;K.K.Rohatgi and Mukherjee; New Age International (P) Ltd.,New Delhi,2007.
