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5. Proton NMR C6H1402 4.5 4.0 2 2 2 3.5 3.0 2.5 2.0 Chemical Shift (ppm) 22 1.5 3 1.0 0.5

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter19: Nuclear Magnetic Resonance Spectroscopy

Section: Chapter Questions

Problem 19.10QAP: Why is 133C-133C spin-spin splitting not observed in ordinary organic compounds?

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Question

Propose a structure that is consistent with the following 1H NMR spectra. In each case, the molecular formula is provided. For spectra with numbers at the bottom of the signal you will need to determine the integration, others with numbers above the signal integration has been determined for you.

Proton NMR
C6H1402
4.5
5.
4.0
2
2
2
3.5
3.0
2.5
2.0
Chemical Shift (ppm)
22
1.5
3
1.0
0.5

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