Chemical Crystallography

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About Course

This Chemical Crystallography course would highlight the concepts and applications of the widely used experimental technique of X-ray crystallography.

They could take the students through the lane of crystallographic symmetry to the structure determination and refinement of crystal structures using x-ray diffraction.

Any experimental organic or inorganic chemist would be benefited from this course.

INTENDED AUDIENCE: Ph.D. students and 2nd-year M.Sc students

What Will You Learn?

  • Week 1: Introduction, 1D symmetry, Concept of 2D symmetry and lattices
  • Week 2: Stereographic projections, Laue symmetry; glide planes, screw axes and their notations, space groups, equivalent points, space group symmetry
  • c.Week 3: Miller Indices, crystallographic planes and directions, close pack structures, linear density, planar density, Miller-Bravais indices for hexagonal s
  • Week 4: What are X-rays, generation and classification of X-ray, X-ray sources, diffraction of X-rays, Bragg’s law.The reciprocal lattice, reciprocal
  • Week 5: Methods of crystal growth
  • Week 6: Data collection strategies, Laue Method, Oscillation, rotation and precession methods.
  • Week 7: Structure factor and Fourier synthesis
  • Week 8: Phase problem, Direct Methods, structure invariants and semi invariants
  • Week 9: Refinement by Fourier synthesis
  • Week 10: Crystal selection, indexing of crystals, data collection
  • Week 11: Methodology, the geometrical basis of powder X-ray diffraction
  • Week 12: Applications of powder X-ray diffraction

Course Content

Chemical Crystallography

  • Sources of X-Rays, Crystal Systems and Bravais lattices
    00:00
  • 3 Crystallographic Symmetries
    00:00
  • Equivalent Points and 1D Lattices
    00:00
  • 5 Five Fold Symmetry and 2D Lattices
    00:00
  • 6 2D Space Lattices
    00:00
  • 7 Crystallographic Point Groups
    00:00
  • 8 Stereographic Projecitons of Point Groups
    00:00
  • 9 Understanding of Crystallographic Space Groups
    00:00
  • 10 2D Projection of Space Groups
    00:00
  • 11 3D Space Groups and Equivalent Points
    00:00
  • 12 Obtaining Equivalent points
    00:00
  • 15 Miller Indices and Planar Densities
    00:00
  • Tutorial 1
    00:00
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  • Identification from Intensity Statistics the Correct Crystal System and Presence of Inversion Center
    00:00
  • Data Reduction- Scale and Temperature Factor
    00:00
  • Data Reduction-Lorentz and Polarization Correction
    00:00
  • Data Reduction-Absorption Correction
    00:00
  • Cambridge Structure Database and its Application
    00:00
  • Disorder Treatment using Olex 2
    00:00
  • Disorders in Crystal Structures
    00:00
  • Structure Solution using Olex 2 (Rigaku Diffractometer)
    00:00
  • Structure Solution using Apex II (Bruker Diffractometer)
    00:00
  • Data Handling (Solution and Refinement) using Various Crystallographic Packages
    00:00
  • Understanding the X-Ray Data
    00:00
  • Single Crystal X-Ray Diffractometer
    00:00
  • Structure Refinement
    00:00
  • Systematic Absence Conditions from Special Structure Factor Expression
    00:00
  • Structure Fcator and Electron Density
    00:00
  • Derivation of Friedel’s Law from Structure Factor by Vector Space Diagram
    00:00
  • Experimental Methods and Theoretical Understanding of X-Ray Diffraction
    00:00
  • Introduction to X-Ray Crystallography
    00:00
  • Diffractometers and Detectors
    00:00
  • Diffractometersn
    00:00
  • Single Crystal X-Ray Diffraction Data Collection
    00:00
  • Tutorial
    00:00
  • Special Method of Crystallisation
    00:00
  • Laue’s and Bragg’s Analysis
    00:00
  • Systematic Absences and Crystallisation Methods
    00:00
  • Bragg’s Law in Reciprocal Lattice and Origin of Systematic Absences
    00:00
  • Origin of Reciprocal Lattice
    00:00
  • Representation of Orthorhombic and Tetragonal Space Groups
    00:00
  • Miller Indices for Crystallographic Directions and Planes
    00:00
  • Tutorial 2
    00:00
  • Ceramic Structures
    00:00
  • Cubic Structues and atomic packing factors
    00:00
  • Tutorial 3
    00:00
  • Theory of X-Ray Diffraction
    00:00

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