Interpret the fingerprint region by comparison with reference spectra.

The fingerprint region in infrared spectroscopy typically ranges from 400 to 1500 cm⁻¹ and contains unique absorption patterns for different molecules. By comparing the absorption peaks in a sample's spectrum to reference spectra, one can identify specific functional groups present in the molecule. This comparison shows that each compound has a distinct fingerprint, allowing for accurate identification. The implication is that infrared spectroscopy is a powerful tool for structural analysis in organic chemistry. Therefore, interpreting the fingerprint region is crucial for confirming the presence of functional groups in unknown substances.