Chem 30 B

1
Chem 30 B
Lecture 4
2
Nuclear Spins in Bo

• for 1H and 13C, only two orientations are allowed

Brown, Foote, Iverson, Organic Chemistry, 4th ed
3
Nuclear Magnetic Resonance

• Figure 13.3 the origin of nuclear magnetic
  resonance

Brown, Foote, Iverson, Organic Chemistry, 4th ed
4
NMR Spectrometer
Brown, Foote, Iverson, Organic Chemistry, 4th ed
5
NMR Spectrum

• 1H-NMR spectrum of methyl acetate
• Downfield the shift of an NMR signal to the left
  on the chart paper
• Upfield the shift of an NMR signal to the right
  on the chart paper

Brown, Foote, Iverson, Organic Chemistry, 4th ed