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36
IR spec
27
Chemistry
Undergraduate 1
05/04/2009
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Cards

Term
C triple bond N
 Definition
2260-2220 medium
Term
C triple bond C
 Definition
2260-2100 medium to weak
Term
C dbl bond C
 Definition
1680-1600 medium
Term
C dbl bond N
 Definition
1650-1550 medium
Term
benzene
 Definition
1600, 1500-1430 strong to weak
Term
C dbl bond O
 Definition
1780-1650 strong
Term
C-O
 Definition
1250-1050 strong
Term
C-N
 Definition
1230-1020 medium
Term
O-H alcohol
 Definition
3650-3200 strong, broad
Term
O-H carboxylic acid
 Definition
3300-2500 strong, very broad
Term
N-H
 Definition
3500-3300 medium broad
Term
C-H
 Definition
3300-2700 medium
Term
increase intensity
 Definition
increased polarity (increased dipole)
Term
higher frequency
 Definition
lighter atom
stronger bond
Term
increase C=O
 Definition
electron withdrawing
ring strain
Term
decrease C=O
 Definition
conjugation
resonance
hydrogen bonding
Term
amide
 Definition
1660
Term
carboxylic acid
 Definition
1710
Term
ketone
 Definition
1715
Term
aldehyde
 Definition
1725
Term
ester
 Definition
1735
Term
anhydride
 Definition
1760-1810
Term
acid chloride
 Definition
1800
Term
sp C-H
 Definition
3300
Term
sp2 C-H
 Definition
3100-3000
Term
sp3 C-H
 Definition
3000-2850
Term
C-H carbonyl
 Definition
2820-2720
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