NPTEL : NOC:Chemical Crystallography (Chemistry and Biochemistry)

Co-ordinators : Prof.Angshuman Roy Choudhury


Lecture 1 - Introduction to X-Ray Crystallography

Lecture 2 - Sources of X-Rays, Crystal Systems and Bravais lattices

Lecture 3 - Crystallographic Symmetries

Lecture 4 - Equivalent Points and 1D Lattices

Lecture 5 - 5 Fold Symmetry and 2D Lattices

Lecture 6 - 2D Space Lattices

Lecture 7 - Crystallographic Point Groups

Lecture 8 - Stereographic Projections of Point Groups

Lecture 9 - Understanding of Crystallographic Space Groups

Lecture 10 - 2D Projection of Space Groups

Lecture 11 - Tutorial - 01

Lecture 12 - 3D Space Groups and Equivalent Points

Lecture 13 - Obtaining Equivalent Points by Shifting of Origin

Lecture 14 - Representation of Orthorhombic and Tetragonal Space Groups

Lecture 15 - Miller Indices for Crystallographic Directions and Planes

Lecture 16 - Miller Indices and Planar Densities

Lecture 17 - Tutorial - 02

Lecture 18 - Cubic Structues and atomic packing factors

Lecture 19 - Ceramic Structures

Lecture 20 - Theory of X-Ray Diffraction

Lecture 21 - Tutorial - 03

Lecture 22 - Origin of Reciprocal Lattice

Lecture 23 - Bragg's Law in Reciprocal Lattice and Origin of Systematic Absences

Lecture 24 - Systematic Absences and Crystallisation Methods

Lecture 25 - Special Method of Crystallisation

Lecture 26 - Tutorial

Lecture 27 - Single Crystal X-Ray Diffraction Data Collection

Lecture 28 - Diffractometers

Lecture 29 - Diffractometers and Detectors

Lecture 30 - Laue's and Bragg's Analysis

Lecture 31 - Experimental Methods and Theoretical Understanding of X-Ray Diffraction

Lecture 32 - Derivation of Friedel's Law from Structure Factor by Vector Space Diagram

Lecture 33 - Structure Fcator and Electron Density

Lecture 34 - Systematic Absence Conditions from Special Structure Factor Expression

Lecture 35 - Structure Refinement

Lecture 36 - Single Crystal X-Ray Diffractometer

Lecture 37 - Understanding the X-Ray Data

Lecture 38 - Data Handling (Solution and Refinement) using Various Crystallographic Packages

Lecture 39 - Structure Solution using Apex II (Bruker Diffractometer)

Lecture 40 - Structure Solution using Olex 2 (Rigaku Diffractometer)

Lecture 41 - Disorders in Crystal Structures

Lecture 42 - Disorder Treatment using Olex 2

Lecture 43 - Cambridge Structure Database and its Application

Lecture 44 - Data Reduction - Absorption Correction

Lecture 45 - Data Reduction - Lorentz and Polarization Correction

Lecture 46 - Data Reduction - Scale and Temperature Factor

Lecture 47 - Identification from Intensity Statistics the Correct Crystal System and Presence of Inversion Center

Lecture 48 - Identification from Intensity Statistics the presence of 2 fold axis in Lattice

Lecture 49 - Phase Problem

Lecture 50 - Direct Methods - Part 1

Lecture 51 - Direct Methods - Part 2

Lecture 52 - Sigma 1 and Triplet Relationship

Lecture 53 - Patterson Method

Lecture 54 - Powder X-Ray Diffractometer - Theory

Lecture 55 - Powder X-Ray Diffractometer - Lab

Lecture 56 - Polymorphs

Lecture 57 - Polymorphs

Lecture 58 - Review of Reciprocal Lattice

Lecture 59 - Review of Reciprocal Lattice

Lecture 60 - Review of Reciprocal Lattice and Bragg's Law in Reciprocal Lattice

Lecture 61 - Ewald's Sphere and Limiting Sphere

Lecture 62 - Origin of/Introduction to Systematic absences