introspec

introspec - 5.33 Lecture Notes: Introduction to...

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5.33 Lecture Notes: Introduction to Spectroscopy What is spectroscopy ? Studying the properties of matter through its interaction with different frequency components of the electromagnetic spectrum. Latin: “spectron”—ghost or spirit Greek: “ σκοπειν ”—to see With light, you aren’t looking directly at the molecule—the matter—but its “ghost.” You observe the light’s interaction with different degrees of freedom of the molecule. Each type of spectroscopy—different light frequency—gives a different picture the spectrum . Spectroscopy is a general methodology that can be adapted in many ways to extract the information you need (energies of electronic, vibrational, rotational states, structure and symmetry of molecules, dynamic information). Goals: Understand how light interacts with matter and how you can use this to quantitatively understand your sample. Understand spectroscopy the way you understand other common tools of measurement like the watch or the ruler. See that
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This note was uploaded on 11/27/2011 for the course CHEM 5.43 taught by Professor Timothyf.jamison during the Spring '07 term at MIT.

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introspec - 5.33 Lecture Notes: Introduction to...

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