Other less frequently encountered functional groups
1. -SH
2400-2600 cm-1
2566
2553
Other less frequently encountered functional groups
1.
-SH
2400-2600 cm-1
2.
S=O
1000-1100 cm-1
1050
Other less frequently encountered functional groups
1. -SH
2400-2600 cm-1
2. -S=O
1000-1100 cm-1
3. -S(=O)2
1100-1200 cm-1; 1300-1350 cm-1
1298
1130
1300
1158
Other less frequently encountered functional groups
1. -SH
2400-2600 cm-1
2. -S=O
1000-1100 cm-1
3. -S(=O)2
1100-1200 cm-1; 1300-1350 cm-1
4. -N=C=O 2050-2200 cm-1
Other less frequently encountered functional groups
1. -SH
2400-2600 cm-1
2. -S=O
1000-1100 cm-1
3. -S(=O)2
1100-1200 cm-1; 1300-1350 cm-1
4. -N=C=O 2050-2200 cm-1
5. C=C=O
2100-2200 cm-16.
1/(4.6*10-4 cm) = 2130 cm-1
Other less frequently encountered functional groups
1. -SH
2400-2600 cm-1
2. -S=O
1000-1100 cm-1
3. -S(=O)2
1100-1200 cm-1; 1300-1350 cm-1
4. -N=C=O 2050-2200 cm-1
5. C=C=O
2100-2200 cm-1
6. Aromatic substitution pattern
100
% Transmittance
80
60
carbon-carbon
triple bond stretch
40
20
0
4000
3500
3000
2500
2000
-1
Wavenumbers, cm
phenylacetylene
1500
1000
500