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NMR features and interpretation

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by

Harvey Buckle

on 7 September 2017

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Transcript of NMR features and interpretation

NMR features, interpretation and Aspirin
Aim
HL To know the features of NMR
HL To be able to interpret the spectra
SL /HL To know the synthesis, origin and types of Aspirin
TMS
Strong single peak
Non toxic
Upfield
Volatile

Chemical shift = 0 STANDARD
Spin - spin coupling
Starter
What happens to OXIDES going across a period?
Show using two equations....
Features
1. Different peaks - different environments
2. Area under peak
3. More shielding = lower frequency for resonance measured in Chemical shift ppm
4. Near neighbor equivalent protons split the high resolution NMR
Pascal's triangle
p. 104
Aspirin
Full transcript