Carbonyl Compound A: C3H60 |4Q QE-300 2 CDC13 160 200 220 240 N 3 5 CO CO S 2 2

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter21: Organic And Biological Molecules
Section: Chapter Questions
Problem 142CWP
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Question

From the h nmr and c nmr of the unknown carbonyl compound determine its structure and draw it, label each c, ch, ch2, or ch3 group using letters (a,b,c) and assign each peak in the proton and carbon nmr spectrum to the carbons and hydrogens that correspond to it in the molecule.

Example of what should be included in the table:

hydrogen/carbon carbon chemical shift hydrogen chemical shift splitting pattern integral couples to 
           
           
           
CDC13
240
12
220
11
200
10
QE-300
180
9
160
8
140
120
6
100
LO
3
~
0
Carbonyl Compound A: C3H60
Transcribed Image Text:CDC13 240 12 220 11 200 10 QE-300 180 9 160 8 140 120 6 100 LO 3 ~ 0 Carbonyl Compound A: C3H60
100-
98-
96-
94
92
90
88-
86-
84
82-
80-
78-
76-
74-
72-
70-
4000
3500
3366.9
3000
2932.53
2873.28
2-methyl-2-pertanol
2500
2000
Wavenumbers (cm-1)
1500
1461.31
1376.58
1260.35
155.86
1091.73
987.21
1000
912.06
856.65
800.99
742.59
500
Transcribed Image Text:100- 98- 96- 94 92 90 88- 86- 84 82- 80- 78- 76- 74- 72- 70- 4000 3500 3366.9 3000 2932.53 2873.28 2-methyl-2-pertanol 2500 2000 Wavenumbers (cm-1) 1500 1461.31 1376.58 1260.35 155.86 1091.73 987.21 1000 912.06 856.65 800.99 742.59 500
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You didn't assign the h chemical shift, splitting pattern, and integral for hydrogen b? 

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