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20 Cards in this Set

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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