Spectroscopy

We define spectroscopy as an area of study that proves molecular structure with electromagnetic radiation.The instruments used in such studies are called spectrometers.We shall study several types of spectroscopy as they relate to organic molecules.To do that,we must first understand how electromagnetic radiation interacts with molecules.

Electromagnetic Radiation And Molecules

Electromagnetic radiation is a form of energy with wave properties.The electromagnetic spectrum consists of a range of electromagnetic vibrations,which differ in certain of their wave dimensions.

Ultraviolet-Visible Spectroscopy

An instrument for measuring the interaction of molecules with ultraviolet and visible light is called a UV-VIS spectrometer.

Infrared (IR) Spectroscopy

The most useful region of the infrared radiation extends from above 2.5 to 16 microns.The wavenumber o hif particular radiation is the number of waves per centimeter, which is simply one divided by the wavelength in centimeters.

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