An IR spectrum, a ¹3C NMR spectrum, and a ¹H NMR spectrum were obtained for an unknown structure. Draw the structure of this compound. 4000 3000 mm 1500 Wavenumber (cm-¹) 2000 1000 500

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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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An IR spectrum, a 13C NMR spectrum, and a ¹H NMR spectrum were
obtained for an unknown structure. Draw the structure of this
compound.
4000
190 180 170
3000
mm
1500
Wavenumber (cm-¹)
3H
2000
160 150 140 130 120 110
PPM
80
1000
3H
2H
Li
ppm
500
Transcribed Image Text:An IR spectrum, a 13C NMR spectrum, and a ¹H NMR spectrum were obtained for an unknown structure. Draw the structure of this compound. 4000 190 180 170 3000 mm 1500 Wavenumber (cm-¹) 3H 2000 160 150 140 130 120 110 PPM 80 1000 3H 2H Li ppm 500
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Step 1

Proton-NMR gives the complete information for the structure determination. From the position of signal and miultiplicity of the signal we can predict type and number of protons. 

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