Chemistry Teach Yourself Series - Topic 3 - NMR - Chemistry...

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Chemistry Teach Yourself Series
Topic 3: NMR
Author: Pat O’Shea
A: Level 14, 474 Flinders Street Melbourne VIC 3000
T: 1300 134 518 W: tssm.com.au E: [email protected]

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Contents
What is it?: ..................................................................................................................................................... 3
Interpreting
1
H NMR (Low resolution) ..................................................................................................... 4
High resolution splitting ................................................................................................................................ 6
Carbon-13 NMR ............................................................................................................................................ 8
Solutions to questions .................................................................................................................................... 9

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NMR
Unit 3
What is it?:

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CH
3
Si
CH
3
CH
3
CH
3
C
H
H
H Cl
Chloromethane – hydrogen atoms have a shift of 3.0 compared to TMS.
The more polar the functional groups, usually the greater the shift. Relative shifts are available from your
data book.