Ochem Functional Groups Nmr, Ir Flashcards
Alkane
~1
alkene
~1-2
alkyne
~2.5
arene
~7
ether
~3-5
ketone
~2
aldehyde
~10
carboxylic acid
~11-12
ester
~4
amide
~6-7
alcohol
~4-5
amine
~3-4
N-H IR Peak
3300
O-H IR Peak
3600-2900
C-H IR peak
3100-2900
C -= C IR Peak
2200
C=O IR peak
1700
C=C IR Peak
1650
NO2 IR peak
1540
tertbutyl
singlet + 9H
OH
Singlet + 1H @4-5
methyl group with no neighbors
singlet + 3H
ethyl
quartet + triplet + 2H + 3H
isopropyl
doublet + septet + 6H+ 1H
C-C (attached methyl group to another carbon)
triplet + 3H @2
water chemical shift
1.6 ppm
acetone chemical shift
2.2 ppm
TMS
0 ppm
CHCl3
7-7.5 ppm