Chapter 13 Summary

Chapter 13 Summary - Chapter 13 Spectroscopy Types...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 13 Spectroscopy Types •  •  •  •  UV ­Vis spectroscopy Infrared spectroscopy (IR) NMR spectroscopy Mass spectrometry (MS) part of structure part of structure can give complete structure molecular formula, fragments Basic Concepts •  Techniques for structure determina>on –  NMR –  UV ­Vis –  IR –  MS •  Electromagne>c radia>on –  Spectrum –  Quan>zed energy levels Basic Concepts •  Molecular states –  –  –  –  Electronic Vibra>onal Rota>onal Nuclear spin •  The basis of NMR –  Nuclear spin states –  Shielding –  Chemical shiIs •  1H NMR –  SpliLng paMerns –  How to read and interpret a spectrum Basic Concepts •  13C NMR –  What can be seen (carbon atoms with different surrounding groups) –  Sta>s>cs and broadband decoupling => singlets •  IR –  Principle –  What can be seen (func>onal groups) Basic Concepts •  UV ­Vis –  Principle –  What can be seen (especially conjugated alkenes) –  Lambert ­Beer’s law •  MS (Electron impact) –  Principle –  Molecular ion –  Isotope effects –  Molecular weight ...
View Full Document

Ask a homework question - tutors are online