IR spectroscopy Flashcards
1
Q
aromatic C-C
A
two peaks in the range of 1500-1600 cm-1
2
Q
C=C
A
1650 cm-1
3
Q
C=O
A
1710 cm-1
4
Q
C triple bond C
A
2100-2300 cm-1
5
Q
C triple bond N
A
2100-2300 cm-1
6
Q
C-H (aldehyde)
A
two peaks at 2710 and 2810 cm-1
7
Q
sp3 C-H
A
just right of 3000 cm-1
8
Q
sp2 C-H
A
just left of 3000 cm-1
9
Q
sp C-H
A
3300 cm-1
10
Q
N-H
A
3300 cm-1 (one peak for -NH and two peaks for -NH2
11
Q
O-H (alcohol)
A
3400 cm-1 ( broad, smooth peak)
12
Q
O-H (acid)
A
2500-3500 cm-1 (very broad, ugly/not smooth peak)
