Infrared spectroscopy is a great technique that can quickly and easily give us information about bonds and functional groups in a molecule. This video explains how it works.

Timestamps:
0:00 - What is IR spectroscopy?
0:36 - Preparing a sample for IR
1:07 - How does IR spectroscopy work?
1:19 - Transmittance, wavenumber & absorption bands
2:37 - A change in dipole moment
4:09 - Molecular vibrations
5:12 - Factors affecting vibration frequencies
6:11 - Regions of the IR spectrum
7:14 - Absorption band intensity
8:09 - Absorption band width (H-bonding)
9:26 - Absorption band summary
9:41 - Fingerprint region

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