Studied by 3 people5-0.5 ppm
Alcohol (RO-H)
1.8-0.9 ppm
Alkane (RCH3)
3-1 ppm
Amine (R2N-H)
4.1-3.1 ppm
Alkyl chloride (H-C-Cl)
4.1-2.7 ppm
Alkyl bromide (H-C-Br)
2.6-1.5 ppm
Allylic (H-C-C=C)
3.7-3.3 ppm
Alcohol or ether (H-C-OR)
3.1-1.8 ppm
Terminal alkyne
6.5-4.5 ppm
Vinylic (H-C=C)
2.5-2.0 ppm
C-H adjacent to C=O
2.3-2.1 ppm
C-H adjacent to C-=N
2.8-2.3 ppm
Benzylic (C-H connected to benzene ring)
8-6 ppm
Phenol (ArO-H)
8.5-6.5 ppm
Aryl (Ar-H)
10-9 ppm
Aldehyde (RO=C-H)
13-10 ppm
Carboxylic acid
35-0 ppm
RCH3
40-15 ppm
R2CH2
50-25 ppm
R3CH
40-30 ppm
Quaternary carbons (R4C)
90-65 ppm
Sp hybridized carbons (RC-=CR)
150-100 ppm
Sp2 hybridized carbons (R2C=CR2)
175-110 ppm
Benzene ring
40-20 ppm
Alkyl bromide (RCH2Br)
50-25 ppm
Alkyl chloride (RCH2Cl)
50-35 ppm
Amine (RCH2NH2)
65-50 ppm
Alcohol or ester
125-110 ppm
Cyanide (RC-=N)
185-160 ppm
Aldehyde and carboxylic acid
220-190 ppm
Carbonyl (C=O)
1500-500 cm-1
Fingerprint region: CC, CN and CO single-bond stretching and bending; CH bending
1850-1620 cm-1
CC, CN, and CO double-bond stretching
2300-2100 cm-1
CC and CN triple-bond stretching
3600-2850 cm-1
OH, NH and CH single-bond stretching
15
CH3
29
ethane
43
propane
78
benzene ring
16
Oxygen molecular weight
80
Bromine molecular weight
35
Chlorine molecular weight
3600 cm-1
OH
1350, 1500 cm-1
NO2
14
Nitrogen molecular weight
Benzenecarbaldehyde
Benzaldehyde
Benzenecarboxylic acid
Benzoic acid
Vinylbenzene
Styrene
Methyl phenyl ketone
Acetophenone
Benzenol
Phenol
Methoxybenzene
Anisole
Benzamine
Aniline
Note
Flashcard