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