. 13C-NMR C8H₂NO PPm Int. 168.46 174 134.62 196 131.23 474 128.42 930 126.94 1000 26.79 317

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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. 13C-NMR C8H9NO
200
ppm Int.
168.46 174
134.62 196
131.23 474
128.42 930
126.94 1000
26.79 317
180
160 140
120
100
ppm
80
60
40
20
Transcribed Image Text:. 13C-NMR C8H9NO 200 ppm Int. 168.46 174 134.62 196 131.23 474 128.42 930 126.94 1000 26.79 317 180 160 140 120 100 ppm 80 60 40 20
1. ¹H-NMR
Assign.
- 9)
A
B
C
D
E
8
00
C8H₂NO
Shift (ppm)
7.786
7.447
7.366
6.98
2.952
7
6
5
ppm
4
3
N
1
Hz
ppm
Int.
3118.53
7.884
42
3116.58 7.799 245
3115.36 7.796
292
3114.01 7.792
143
97
3110.35 7.783
3108.28 7.778 369
3106.81 7.774
281
2986.82 7.474
7.471
39
72
44
2985.47
2984.25
7.468
2980.35
7.458
53
2978.27
185
68
96
165
7.453
2976.07 7.447
2972.17 7.437
2970.83 7.434
2969.48 7.431
2953.00 7.389
2951.17
7.385
2949.58 7.381
88
54
251
117
2944.70 7.369 205
365
2943.36 7.365
2941.89 7.362
2937.87 7.352
2936.16 7.347
2935.18 7.345
2790.16 6.982
1182.01 2.958
1177.25 2.946
104
67
157
103
36
1000
958
Transcribed Image Text:1. ¹H-NMR Assign. - 9) A B C D E 8 00 C8H₂NO Shift (ppm) 7.786 7.447 7.366 6.98 2.952 7 6 5 ppm 4 3 N 1 Hz ppm Int. 3118.53 7.884 42 3116.58 7.799 245 3115.36 7.796 292 3114.01 7.792 143 97 3110.35 7.783 3108.28 7.778 369 3106.81 7.774 281 2986.82 7.474 7.471 39 72 44 2985.47 2984.25 7.468 2980.35 7.458 53 2978.27 185 68 96 165 7.453 2976.07 7.447 2972.17 7.437 2970.83 7.434 2969.48 7.431 2953.00 7.389 2951.17 7.385 2949.58 7.381 88 54 251 117 2944.70 7.369 205 365 2943.36 7.365 2941.89 7.362 2937.87 7.352 2936.16 7.347 2935.18 7.345 2790.16 6.982 1182.01 2.958 1177.25 2.946 104 67 157 103 36 1000 958
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