Analyze the HNMR for the molecular formula C8H8O3 (vanillin). Propose a table that includes chemical shifts, coupling constant, integration for each peak, assignment of each proton. (assign on structure as well)

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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
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Analyze the HNMR for the molecular formula C8H8O3 (vanillin). Propose a table that includes chemical shifts, coupling constant, integration for each peak, assignment of each proton. (assign on structure as well)

IC_48_1H.10.fid
12.0
11.5 11.0 10.5
9.82
B (s)
9.82
10.0
9.5
9.0
8.5
8.0
2
D (n)
7.4
C (s)
7.47
2010-652
7.5
20
E (m)
7.04
46 -0.44
7.0
6.5
6.0
5.5
f1 (ppm)
5.0
4.5
I
A (s)
3.96
3.00-1.00
4.0 3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
+
-0.5
-9000000
-8500000
-8000000
-7500000
-7000000
-6500000
-6000000
-5500000
-5000000
-4500000
-4000000
-3500000
-3000000
-2500000
-2000000
1500000
+1000000
-500000
-0
--500000
Transcribed Image Text:IC_48_1H.10.fid 12.0 11.5 11.0 10.5 9.82 B (s) 9.82 10.0 9.5 9.0 8.5 8.0 2 D (n) 7.4 C (s) 7.47 2010-652 7.5 20 E (m) 7.04 46 -0.44 7.0 6.5 6.0 5.5 f1 (ppm) 5.0 4.5 I A (s) 3.96 3.00-1.00 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 + -0.5 -9000000 -8500000 -8000000 -7500000 -7000000 -6500000 -6000000 -5500000 -5000000 -4500000 -4000000 -3500000 -3000000 -2500000 -2000000 1500000 +1000000 -500000 -0 --500000
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