IR Spectroscopy

• Dr. Suresh S Patil
• Professor and Head
• Dept. of Chemistry
• Padmabhushan Dr Vasanttraodada Patil Mahavidyalaya Tasgaon Dist Sangli.

University Syllabus

• Introduction.
• Principles of IR Spectroscopy.
• Instrumentation, schematic diagram.
• Fundamental modes of vibrations, types and calculation.
• Conditions for absorption of IR radiations.
• Regions of IR spectrum, fundamental group region, finger print region.
• Hook’s Law for Calculation of vibrational frequency.
• Factors affecting IR absorption frequency.
• Characteristic of IR absorption of following functional groups

a) alkanes, alkenes, alkynes b) alcohol and phenols c) ethers d) carbonyl compounds e) amines f) nitro compounds and g) aromatic compounds.

Stretching Vibrations

Stretching and Bending Vibrations

Schematic Diagram of IR Spectrometer