Exercise plus Solution – Quick overview
It is recommended to use this version only for a quick overview of the NMR challenge. All animations of the PowerPoint
version are missing, under certain circumstances quality deficiencies may also occur.
The higher quality PowerPoint files are freely available for download at any time.
2.9 2.8
2.7
2.6 2.5
2.4
2.3
2.2 2.1
2.0 1.9 1.8
1.7
1.6 1.5
1.4
1.3
1.2
ppm
1
H
3.00
1.00
0.99
0.97
Inte-
gral
308.92
308.56
308.41
308.04
303.79
303.42
303.27
302.91
Hz
586.49
586.12
585.75
585.37
583.91
583.54
581.19
583.17
582.80
580.82
580.45
580.07
578.62
578.24
577.87
577.50
Hz
C
3
H
6
O measured in Acetone-d
6
Deduce the structure!
Measure all homonuclear coupling
constants!
1
H NMR spectrum
recorded at 250.13 MHz
733.31
730.73
729.41
728.15
726.84
725.58
724.26
723.02
721.68
720.44
719.12
717.92
716.55
715.34
714.01
711. 44
Hz
662.49
662.00
661.50
660.99
658.60
658.11
657.61
657.16
656.70
656.20
655.69
653.30
652.80
652.30
651.80
Hz
Enlarged multiplets from the overview spectrum.
Some peak labels have been slightly differentiated in shade for reasons of clarity.
Different parameters of a Lorentz to Gaussian transformation were used for the individual multiplets in order to
obtain an optimal resolution in each individual case.
2.9 2.8
2.7
2.6 2.5
2.4
2.3
2.2 2.1
2.0 1.9 1.8
1.7
1.6 1.5
1.4
1.3
1.2
ppm
1
H
O
H
H
H
3
C
H
5.13 Hz
0.51 Hz
5.30 Hz
0.37 Hz
3.90 Hz
2.58 Hz
The two protons of the
methylene group could be
reversed.
Solution at a glance
(no step by step solution so far)
