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20 Cards in this Set
- Front
- Back
sp3 hybridized Alkanes
---C-H |
just below 3,000
|
|
Alkenes
=C-H |
just above 3,000
|
|
C=C
|
1650-1670
or region 3 |
|
aromatic rings
|
1600
|
|
internal alkyne
CtbC |
2100-2260
|
|
terminal alkyne
CtbC-H |
3,300 sharp and strong
|
|
Alcohol
|
3,300-3600 broad and intense
looks like a thumb |
|
primary amine
R-NH2 |
scissors at 3300-3500
|
|
secondary amine
R-NH-R |
one line (sharp, medium, intense) 3300-3500
|
|
carbonyl componds
C=O |
1620-1850 sharp strong to med
|
|
aldehyde
|
carbonyl mark at 1620-1850
and scissors at 2800 |
|
ketone
|
look for carbonyl at 1620-1850 and if no scissors at 2800 then its a ketone
|
|
Esters
|
look for carbonyl in 1620-1850 then look for twin in fingerprint region
|
|
Carboxylic Acids
|
will have carbonyl in 1620-1850 then will have big ugly streach in 2500-3500
|
|
amide
|
will have carbonyl in 1620-1850 and also scissors or one peak in 3300 area
|
|
Nitriles
|
draw line at 2200 if above
C tb N if below C tb C |
|
with MS
M+2 peak almost as high |
Br
|
|
with MS
M+2 peak 1/3 the height |
Cl
|
|
with MS
an odd mass |
presence of N
|
|
with MS
loss of 18 loss of 15 |
loss of 18 is alcohol
loss of 15 is methyl |