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Spectroscopy and Molecular Structure Several different types of molecular structure information can be obtained by spectroscopy. Different ranges of light energy are used to get the different types of information. As a result, chemists usually obtain more than one type of spectroscopic information for the same sample, in order to get different "hints" about the sample structure and composition. Because spectroscopy is not destructive, it is very easy to get many such measurements on a single sample. In the following subsections, we discuss three of the most common types of molecular spectroscopy used in the chemical sciences. Many other types of spectroscopy are used, but will not be explicitly discussed herein. |