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23 Cards in this Set

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Formula for Elements of unsaturation
EU = (2 x C + 2 - H - X + N) x .05
Look around 1735 for...
carbonyl
Look for broad band around 3600-3300 for...
OH or NH band
Look just above 3000 for...
double bond (alkene)
Look just below 3000 for...
alkane
Types of carbonyl bands...
carboxylic acid
ester
aldehyde
ketone
amide
Types of OH or NH bands...
alcohol
amine
Types of double bonds...
alkene
aromatic ring
Types of alkanes...
simple alkane
Types of additional groups...
Alkynes
Nitriles
ether
carboxylic acid
1735, 1300-1100 and broad OH
ester
1735, no OH, but 1300-1100
aldehyde
1735, no OH, 2850-2750
ketone
no extra bands
amide
1735, 3000 with spikes (W), 1680-1640
alcohol
BROAD BAND! (1300-1000?)
amine
BROAD BAND! 3000 with spikes (W)
alkene
just above 3000, AND 1650
aromatic
***NEEDS 4 EU***
Above 3000, (1600 AND 1450)
alkane
just below 3000, and 1450???
alkynes
sharp at 3300
nitriles
just above 2200
ether
1200-1000