Functional Group IR Spectrum Chem Shift #s Flashcards
1
Q
3600-2850
A
Single bonds, OH. NH. CH.
More electronegative is lower wavenumber
2
Q
2300-2100
A
Triple bonds
CC and CN
(More electronegative smaller wavenumber)
3
Q
1850-1600
A
Double bonds
CC. CN. CO.
(More electronegative is lower wavenumber)
^CO closer to 1620
4
Q
Single bonds
A
3600-2850
5
Q
Double bonds
A
1850-1620
6
Q
Triple bonds
A
2300-2100
7
Q
Triple bonded carbon to R group and bonded to hydrogen
A
3300
8
Q
Double bonded and single bonded carbon to R groups. Also bonded to H.
A
3000-3100
9
Q
Primary amine( NH2)
A
2 signals broad near >3000
10
Q
Secondary amine (NH)
A
Single signal. Broad. >5000
11
Q
Ketone
A
1700-1800
Sharp
