Introduction Nuclear Magnetic Resonance (NMR)Spectroscopy is the most valuable spectroscopic technique available to laboratory organic chemists Taken together,mass spectrometry,IR,UV and NMR make it possible to determine the structures of even very complex molecules Mass spectrometry molecular formula Infrared Spectroscopy functional groups UV Spectroscopy extent of conjugation NMR Spectroscopy map of carbon-hydrogen framework • Nuclear Magnetic Resonance (NMR) Spectroscopy is the most valuable spectroscopic technique available to laboratory organic chemists • Taken together, mass spectrometry, IR, UV and NMR make it possible to determine the structures of even very complex molecules Mass spectrometry - molecular formula Infrared Spectroscopy - functional groups UV Spectroscopy - extent of conjugation NMR Spectroscopy - map of carbon-hydrogen framework Introduction