Problem 11117IR Spectrumquid e4000S730300020001001600v (cm')1200B00B0Mass Spectrum60No significant Uvabsorption above 220 nmCHO4080120160200240280m/e13C NMR Spectrum(100 O MHZ. CDCI, solution)DEPT CH CHt CHtICHproton decoupledsolvent408 (ppm)20016012080'H NMR Spectrumexpansion(400 MHz, CDCI, solution)triplerTMS221.8 PPM4328 (ppm)7.6.9.8100iof base peak10

Based on the given spectrum data, the structure of C5H8O will be deduced as shown in the following…

Problem 11117 IR Spectrum uit em 4000 1738 3000 2000 1600 v (em') 100 1200 B00 COO 80 Mass Spectrum M 84 No significant uv absorption above 220 nm Cuclo Penanon CHO 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (100 O MHZ. CDC, sokution) DEPT CH CH,t CHt ICH CH proton decoupled solvent 40 8 (ppm) 200 160 120 80 'H NMR Spectrum (400 MHz, CDCI, solution) expansion tripler TMS 2.2 1.8 PPM 3 2 4 8 (ppm 6. 9. 8. 10

Problem 11117 IR Spectrum uit em 4000 1738 3000 2000 1600 v (em') 100 1200 B00 COO 80 Mass Spectrum M 84 No significant uv absorption above 220 nm Cuclo Penanon CHO 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (100 O MHZ. CDC, sokution) DEPT CH CH,t CHt ICH CH proton decoupled solvent 40 8 (ppm) 200 160 120 80 'H NMR Spectrum (400 MHz, CDCI, solution) expansion tripler TMS 2.2 1.8 PPM 3 2 4 8 (ppm 6. 9. 8. 10

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 19.33QAP

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