N
X
C
Hal
O
N
S
P Si
Natural
Products
Solvents
C
C
C
C C
C
319
7.5 Aromatic Hydrocarbons
319
Cl
Comb, overtones Substitution type;
CH δ oop, ar C–C γ
Comb, overtones Substitution type;
CH δ oop, ar C–C γ
2000
1600
1,2,3,5-tetra900–840
2000
1600
1,2,4,5-tetra900–840
2000
1600
penta900–840
2000
1600
hexa–
Examples (v ~ in cm -1 )
3080
3040
1968
1818
3021
1945
1862
1808
1739
3086
3080
3040
1915
1845
1775
OH
OH
1927
1887
1764