Comparison of Infrared Spectroscopy and Raman Spectroscopy
By conducting two analyses, it is possible to obtain more detailed and accurate results!
This document introduces the characteristics of each spectroscopy method and the spectra obtained when comparing infrared spectroscopy and Raman spectroscopy. Both infrared spectroscopy and Raman spectroscopy are vibrational spectroscopies that investigate the vibrational energy of molecules, but the shapes of the spectra obtained from each method differ even when measuring the same substance. Infrared spectroscopy and Raman spectroscopy are complementary; information that cannot be obtained through a single analysis can be acquired more detailed and accurately by conducting both analyses. For more details, please refer to the catalog provided. 【Characteristics of Infrared Spectroscopy】 ■ Infrared absorption occurs when the dipole moment changes with vibration (infrared active). ■ Vibrations that cause a distortion in the symmetry of the molecule (leading to an electronic dipole) are highly infrared active. *For more information, please refer to the PDF materials or feel free to contact us.
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【Raman Spectroscopy Features】 ■ Raman scattering occurs when the polarizability changes with vibration (Raman activity). ■ High symmetry, such as molecules made of the same atoms or those with small differences in electronegativity. ■ Vibrations that are highly symmetric and stretch while maintaining symmetry have high Raman activity. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Chemical Analysis Concierge Service
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Comparison of Infrared Spectroscopy and Raman Spectroscopy
This document introduces the characteristics of each spectroscopy method and the spectra obtained when comparing infrared spectroscopy and Raman spectroscopy. Both infrared spectroscopy and Raman spectroscopy are vibrational spectroscopies that investigate the vibrational energy of molecules, but the shapes of the spectra obtained from each method differ even when measuring the same substance. Infrared spectroscopy and Raman spectroscopy are complementary, and information that cannot be obtained from either analysis alone can be acquired more detailed and accurately by conducting both analyses. For more details, please refer to the published catalog.
