NMR Spectroscopy
Typical Proton Coupling Constants for Alkanes
2
J
geminal
12 - 15 Hz
3
J
vicinal
6 - 8 Hz
3
J
a,a
8 - 14 Hz
3
J
a,e
0 - 7 Hz
3
J
e,e
0 - 5 Hz
3
J
cis
(H
b
H
c
)
6 - 12 Hz
3
J
trans
(H
a
H
c
)
4 - 8 Hz
2
J
gem
(H
a
H
b
)
3 - 5 Hz
4
J
W-configuration
0 - 7 Hz
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