Page 101 - CatalogNEP-LS

Fundamentals: Introduction to symmetry and group theory, symmetry operations, symmetry
elements, point groups, identification of point group in molecules of special symmetry (linear
molecules and molecules with multiple axes) molecules of low symmetry, molecules of high
symmetry, notation of point group, assignment of point group, definitions of group, subgroup,
class, relation between orders of a finite group and its subgroup
UNIT-II: Applications of Group Theory (11 Hours)

Group multiplication tables, conjugacy relation and classes, Schoenflies symbols, representation
of groups, character of a representation, reducible and irreducible representations, character tables,
the method of finding the number of irreducible representation in a reducible representation,
construction of character table, matrix representation of symmetry elements and point
groups,normal mode analysis, internal coordinate method, IR and Raman activity
UNIT-III: X-ray Crystallography (12 Hours)

X-ray and their properties. Use of X-ray diffraction to find atomic arrangements. Point group,
space group and unit cell. Combining waves to obtain an image: Elementary treatment of
Structure factor and Fourier synthesis. Crystals and intensity data collection: Fundamental
concepts. The phase problem in crystallography: Direct methods of relative phase determination.
Patterson method and heavy atom method. R-Factor criterion. Structure completion in practice.
Refinement of crystal structure: Mention of refinement by Fourier synthesis. The method of least
squares. Goodness of fit parameter, weighting functions.

UNIT-IV: Applications of X-ray Crystallography (11 Hours)
a) Derived results and applications: Representation of structural results. Chirality and absolute
structure. Packing in crystals. Thermal and Photo-chemical reactions in solid state. Topochemical
principle. Conformation of polypeptides: Ramachandran plot.
b) Supramolecular Chemistry: Introduction to supramolecular chemistry: basics and concepts.
Non-covalent interactions in supermolecules, their nature type and role in pre-organization
andcomplementarity. Introduction to crystal Engineering and supramolecular synthons. Anion
binding sites and anon receptors. Applications of supramolecular chemistry.

PRACTICAL (30 Hours)

1. Volumetric Analysis:
(a)Potassium iodate titrations: Determination of iodide, hydrazine, antimony (III) and
arsenic (III)
(b)Potassium bromate titrations
i) Determination of antimony (III) and arsenic (III) Direct Method)
ii) Determination of aluminium, cobalt and zinc (by oxine method)
2. EDTA titrations
i) Determination of copper, nickel, magnesium
ii) Back titration
iii) Alkalimetric titration
iv) Titration of mixtures using masking and damasking agents
v) Determination of hardness of water
3. Commercial Analysis:
i) Determination of available chlorine in bleaching powder
ii) Determination of Oxygen in hydrogen peroxide.
iii) Determination of Phosphoric acid in commercial phosphoric acid.
iv) Determination of Boric acid in borax.
v) Analysis of Ores (Dolomite, Pyrolusite) and alloys (Coin, Brass, Bronze).

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