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Prerequisites:

CHM442

Course Contents

Molecular Symmetry in Chemistry
Symmetry – Introduction, Symmetry operations & elements, Groups,
Representations and character tables, Reduction of reducible representations,
Group-Subgroup relationships: Descent and ascent in symmetry. Degeneracies,
Direct products. Symmetry properties of Orbitals, Symmetry adapted
wavefunctions. (10 lecture)

Molecular orbital construction
H2, linear and angular H3, Linear, rectangular, square planar and tetrahedral H4,
pentagonal H5 and hexagonal H6.
Diatomic molecules A-A and A-B. Electronegativity perturbation.
Ligands with _-systems.
AH2, AH3, AH4, AH5 and AH6. Walsh diagram. (10 lectures)

Symmetry aspects of the d-orbital splitting by ligands.
Symmetry adapted orbitals on the ligands: s-interactions.
MH6 (Oh), MH5 (D3h and C4v), MH4 (D4h and C4v), MH3 (D3h and C2v).
Correlation.
Inclusion of p-orbitals: ML6
P-donor and P-acceptor ligands: MCl6 and M(CO)6 (10 lectures)

4. Applications:
Isolobal analogy, The Woodward-Hoffmann Rules – pericyclic reactions, Zeise's salt,
Metal carbonyls, Kubas complex W(CO)3(PCy3)2(H2), Agostic complex, Oxidative
addition and reductive elimination, Migratory insertion and b-hydride elimination,
Metal-Carbene complexes (Fischer, Schrock and N-heterocyclic carbene), Bimetallic
complexes: from Single to Quadruple/Quintuple bond, Magnetic interactions,.
(12 lectures)

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Course Contents

Fundamentals of lasers (4)General concepts of laser spectroscopy (3)

Laser-induced fluorescence and multiphoton ionization processes of molecules, probing IVR and dynamics of chemical reactions in liquid and molecular beam (4)

Spectroscopy of single molecule, confocal microscopy and fluorescence correlation spectroscopy (5)

Probing of proton/electron dynamics, anisotropy (4)

Optical trapping and manipulation of biological macromolecules, applications of diagnostics and biotechnology (4)

Pulsed laser and ultrafast spectroscopy (10)

Non-linear spectroscopy (6) 

Courses with significant overlap with this course:

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Prerequisites:

CHM 481

Course Contents:

Enzyme kinetics of single and multiple substrate systems including Enzyme assays and inhibition
(15 lectures)

Cooperativity and multienzyme systems (4 lectures)

Enzyme structure and identification of active site residues labelin, chemical modification and mutagenesis
(6 lectures)

Enzyme Mechanisms – Methods of study and mechanisms of some enzymes like
Serine proteases, polymerases, ribonucleases, lysozyme and ribonucleotide reductases (radical enzyme)
(15 lectures)

Mechanism based enzyme inhibition and drugs –5-fluorouracil for thymidylate synthase
(2 lectures)

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Prerequisites: CHM 442/CHM 342 

Course Contents

 Introduction: (4)
Variety of inorganic (traditional to advanced) materials, Importance of Structural/refractory, Electronic and Bio-materials, Oxide superconductors and novel materials. Description of crystals, Bonding, Inorganuc structures, Silicates and Alluminosilicates, Polytypism, Nanocrystalline/amorphous solids.

Characterization techniques: (Working Knowledge) (4)
X-ray diffraction, Electron and Neutron Diffraction, AFM / SEM / TEM, Thermal(TG / DTG / DTA / DSC) and BET technique, XAS, EPR, IR, UV- Visible.

Reactivity of Solids: (4)
Decomposition and reactivity, Solid state reactions, Sintering process, Reaction kinetics, organic solid reactions, Nanomaterials and Heterogeneous catalysts.

Conventional techniques/ceramic procedures: (3)
Powder mixing, Fusion, Precipitation from solution, modern need for improved synthetic routes, Crystal growth and thin film techniques.

Sol-gel synthesis: (6)
Colloids, Cation hydrolysis and sol formation, Gel precipitation, Sol-Gel process for colloids, synthesis and Physical properties of Metal alkoxides, Development of Sol-Gel process from alkoxides, derived coatings, fibers and monodispersed submicron / nanostructured oxide powders, Ormosils, Sialons.

Non-aqueous liquid phase reactions: (4)
Reactions of chlorosilanes with ammonia, amines in liquid phase, Synthesis of non-oxide materials: Silicon Nitride, Metal-Borides, Carbides, Nitrides, Fluorides: Metal-Silicides, Phosphides, Sulfides and related materials.

Polymer pyrolysis: (2)
Synthesis of Polysilanes, Polycarbosilane, Silicon Carbide fibers, polysilastyrene, Nitride / Oxynitride-Fibers, Composites, Monoliths and coatings.

Hydrothermal synthesis: (2)
Forced hydrolysis at elevated temperatures and pressures, Hydrothermal reactions using salt solutions, Metal reactants and reactions involving phase transformation.

Precursor Technique: (3)
Citrate-gel process, Metallo-organic precursors, Metal alkoxides.

Gas phase reactions: (2)
Gas-Phase nucleation, Flame hydrolyzed powders, Direct - nitridation and carbothermic reduction, Non-plasma gas phase reactions, Plasma reactions, Electron Beam evaporation.

Freeze-drying and Rapid expansion of supercritical solutions (Nebulized spray pyrolysis). (2)

Special reactions: (8)
Topochemical reactions, Intercalation reactions, Ion-exchange method, Molten Salt method, Electrochemical methods, Chemical vapour deposition, Reactions at high pressures, Intergrown structures.

Laser - abelation, Arc and Skull methods. (2)