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Chapter 13: Spectroscopy - Vanderbilt University

11 Chapter 13: SpectroscopyMethods of structure determination Nuclear Magnetic Resonances (NMR) Spectroscopy (Sections ) Infrared (IR) Spectroscopy (Sections ) Ultraviolet-visible (UV-Vis) Spectroscopy (Section ) Mass (MS) spectrometry (not really Spectroscopy )(Section )Molecular Spectroscopy : the interaction of electromagnetic radiation (light) with matter (organic compounds). Thisinteraction gives specific structural information. : Mass Spectrometry: molecular weight of the sample formulaThe mass spectrometer gives the mass to charge ratio (m/z), therefore the sample (analyte) must be an spectrometry is a gas phase technique- the sample mustbe vaporized.

few diagnostic absorptions. Double-bond regions (1500 - 2000 cm-1) C=C -1620 - 1680 cm1 C=O - 1680 - 1790 cm1 Triple-bond region: (2000 - 2500 cm-1) C ...

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