Principle of Infrared Spectroscopy
Infrared spectroscopy operates on the principle that molecules absorb and emit specific frequencies of infrared radiation, corresponding to the vibrational motions of their chemical bonds. This technique depends on the interaction between infrared light and chemical bonds within a sample to provide valuable information about its molecular structure and composition.
- The principle behind infrared spectroscopy is rooted in the quantum mechanical concept of molecular vibrations.
- Molecules consist of atoms held together by chemical bonds, which can vibrate or stretch in response to energy input.
- When infrared light interacts with a molecule, it can cause these bonds to vibrate in different ways, depending on their strengths and geometries.
- The infrared spectrum obtained from a sample represents a unique pattern of absorption and transmission of infrared radiation at different wavelengths.
- Each peak or band in the spectrum corresponds to a specific type of molecular vibration, such as stretching, bending, or twisting of chemical bonds.
- By analyzing these spectral features, scientists can identify the functional groups present in the sample and deduce its molecular structure.
Infrared Spectroscopy
Infrared spectroscopy is a scientific technique used to analyze and identify chemicals based on how they interact with infrared light. It uses infrared light of electromagnetic radiation. It involves measuring the absorption, emission, or reflection of infrared radiation by molecules, providing valuable information about their structures and compositions. In this article, you will learn about Infrared Spectroscopy in detail, including its definition, principle, graph, and applications.
Table of Content
- What is Infrared(IR) Spectroscopy?
- Samples in Infrared Spectroscopy
- Principle Of Infrared Spectroscopy
- IR Spectroscopy Instrumentation
- Graph of Infrared Spectrum
- Applications of IR Spectroscopy