Spectroscopy #s Flashcards
1
Q
carbonyl
A
1700 cm-1
- strong + sharp
2
Q
alkene
A
1650 cm-1
- strong + sharp
3
Q
triple bond (C-N or C-C)
A
2260 - 2100 cm-1
4
Q
alcohol
A
3600 - 3200 cm-1
- strong + very broad
5
Q
C-H sp3
A
3000 - 2850 cm-1
6
Q
C-H sp2
A
3150 - 3000 cm-1
7
Q
C-H sp
A
3300 cm-1
8
Q
alkyl H
A
0 - 2 ppm
9
Q
benzylic H
A
2.5 - 3.5 ppm
10
Q
RCH2X (X=NR2 or halogen)
A
2.8 - 3.8 ppm
11
Q
aromatic H
A
6.5 - 8 ppm
12
Q
vinyl H
A
5 - 6 ppm
13
Q
aldehyde H
A
9 - 10 ppm
14
Q
carboxylic acid H
A
10 - 13 ppm
15
Q
hydroxyl H
A
2 - 5 ppm