CARBONYL GROUPS
(R-CHO)
Aldehyde
Found in alcohols, ethers, and carbonyls
Oxygen
carbon-carbon double bond
Alkene
C-OH
alcohol
>3100 WAVENUMBER
O-H OR N-H STRETCHES
(R-CO-R)
Ketone
Found in thiols
Sulfur
carbon-carbon triple bond
Alkyne
C-SH
Thiol
1700-1800 WAVENUMBER
CARBONYL (C=O STRETCHES)
(R-COOH)
Carboxylic acid
Found in amine and amides
Nitrogen
Cyclic ring of single or double carbon bonds
Arene
C-S
Sulfide
2900-3000 WAVENUMBER
SP3 HYBRID C-H STRETCHES
(R-COOR)
Ester
Halogen with atomic number 9
Flourine
carbon- carbon single bond
Alkane
X-C
Alkyl Halide
500-1500 WAVENUMBER
FINGERPRINT REGION
(R-NH2)
Amine
Are heteroatoms water soluble
Yes
True or false: This group are all sp2 hybrids
False. Alkane is sp3 hybrid
C-O-C
ETHER
1600-1700 WAVENUMBER
ALKENE
(C=C STRETCHES)