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Chemical Shifts: More about NMR
This lecture delves into the intricacies of chemical shifts in nuclear magnetic resonance (NMR). It covers topics such as local diamagnetic contributions to shifts, proton chemical shifts in various compounds, contributions to nuclear shielding, ring current effects in aromatic compounds, and the effects of H-bonding on chemical shifts. The lecture also explores the impact of unpaired electrons and hyperfine interactions on proton chemical shifts in paramagnetic and diamagnetic complexes. By the end, the instructor summarizes how chemical shifts arise from induced electronic currents, providing valuable insights into molecular identity and structure.