Nuclear magnetic resonance spectroscopy


Topic | v1 | created by janarez |
Description

Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy or magnetic resonance spectroscopy (MRS), is a spectroscopic technique to observe local magnetic fields around atomic nuclei. The sample is placed in a magnetic field and the NMR signal is produced by excitation of the nuclei sample with radio waves into nuclear magnetic resonance, which is detected with sensitive radio receivers. The intramolecular magnetic field around an atom in a molecule changes the resonance frequency, thus giving access to details of the electronic structure of a molecule and its individual functional groups. As the fields are unique or highly characteristic to individual compounds, in modern organic chemistry practice, NMR spectroscopy is the definitive method to identify monomolecular organic compounds. Similarly, biochemists use NMR to identify proteins and other complex molecules.


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is Spectroscopy

Spectroscopy is the study of the interaction between matter and electromagnetic radiation (via elect...


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is treated in Spectral database for organic compounds SDBS

An integrated spectral database system for organic compounds, which includes six different types of s...