Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Write the IR spectra to the corresponding structures below and cite the applicable peaks
A. Heptanol
B. Acetanilide
Transcribed Image Text:Simplified Infrared Correlation Chart
Type of Vibration
(stretch)
Frequency (cm")
3000-2850
Intensity
C-H
Alkanes
-CH3
(bend)
1450 and 1375
-CH
(bend)
1465
Alkenes
(stretch)
3100-3000
m
(out-of-plane bend)
(stretch)
(out-of-plane bend)
(stretch)
1000-650
Aromatics
3150-3050
900-690
Alkyne
Aldehyde
-3300
2900-2800
2800-2700
C-C
Alkane
not interpretatively useful
Alkene
1680-1600
m-w
Aromatic
1600 and 1475
m-w
CC
Alkyne
2250-2100
m-w
C=O
Aldehyde
1740-1720
Ketone
1725-1705
Carboxylic Acid
1725-1700
Ester
1750-1730
Amide
1670-1640
Anhydride
Acid Chloride
1810 and 1760
1800
C-O
Alcohols, Ethers, Esters, Carboxylic Acids, Anhydrides 1300-1000
O-H
Alcohols, Phenols
Free
3650-3600
H-bonded
3500-3200
Carboxylic Acids
3400-2400
Primary and Secondary Amines and Amides
(stretch)
(bend)
N-H
3500-3100
m
1640-1550
m-s
C-N
Amines
1350-1000
m-s
C-N
Imines and Oximes
1690-1640
w-s
CN
Nitriles
2260-2240
X-C=Y
Allenes, Ketenes, Isocyanates, Isothiocyanates
2270-1950
m-s
N-O
Nitro (R-NO2)
1550 and 1350
S-H
Mercaptans
2550
S=0
Sulfoxides
1050
Sulfones, Sulfonyl Chlorides, Sulfates, Sulfonamides
1375-1300 and
1200-1140
C-X
Fluoride
1400-1000
Chloride
800-600
Bromide, lodide
<667
E E E
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