Functional Group Identifier
Identify functional groups from IR peaks
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Spectrum Predictor
Predict IR peaks for given structures
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Understanding IR Spectroscopy
Basic Concepts
Key principles:
- IR absorption
- Molecular vibrations
- Peak intensity
- Band shapes
Common Regions
Spectral regions:
- X-H stretching (3700-2700 cm⁻¹)
- Triple bonds (2300-2100 cm⁻¹)
- Double bonds (1900-1500 cm⁻¹)
- Fingerprint (1500-600 cm⁻¹)
Peak Characteristics
Important features:
- Peak position
- Peak intensity
- Peak width
- Peak shape
Applications
Uses in chemistry:
- Structure determination
- Quality control
- Reaction monitoring
- Mixture analysis
Advanced Topics
Special cases:
- Overtones
- Combination bands
- Fermi resonance
- Hydrogen bonding