Use the IR, MS and 13CNMR data provided to generate a reasonable structure for Unknown X. Make sure to explain your reasoning, label your structures and spectra thoroughly, and provide multiple pieces of evidence whenever possible.

Use the IR, MS and 13CNMR data provided to generate a reasonable structure for Unknown X. Make sure to explain your reasoning, label your structures and spectra thoroughly, and provide multiple pieces of evidence whenever possible.

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter12: Structure Determination: Mass Spectrometry And Infrared Spectroscopy

Section12.SE: Something Extra

Problem 49AP: The infrared spectrum of the compound with the mass spectrum shown below has a medium-intensity peak...

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Concept explainers

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.

Question

IR Spec, Mass Spec, and CNMR structure analysis.

Relative Intensity
LOD
100
o+
4000
80
Use the IR, MS and 13CNMR data provided to generate a reasonable structure for Unknown X.
Make sure to explain your reasoning, label your structures and spectra thoroughly, and provide
multiple pieces of evidence whenever possible.
83
20
0
25
3000
50
2000
75
100
m/z
HAVENUMBERI-
125
1970
1500
1000
162 164
150
175
500

13C NMR Spectrum
200
190
180 170
160
150
140
130
120
110
100
f1 (ppm)
90
80
70
60
-52.51
50
-38.02
40
-27.49
-25.64
30
20
10
0
-0.26
-0.24
-0.22
-0.20
-0.18
-0.16
-0.14
-0.12
-0.10
-0.08
-0.06
-0.04
-0.02
-0.00
--0.02

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