What is the structure of the unknown? Determine it by analyzing the spectroscopic data given in IR, MS, 1H NMR, 13C NMR (Broadband decoupled with carbon types) and fully substantiate your answer with key supporting data from each spectrum. 13C NMR Spectrum(20.0MHZ, CDCI, solution)C-HC-H-CH3Cproton decoupledTMS20016012080408 (ppm)1H NMR Spectrum(100 MHz, CDCI, solution)ЗН2H.2HTMS1076.5318 (ppm)2. IR Spectrum(liquid film)1690400030002000160012008000.0VV (cm)100Mass Spectrum139/1410.580111/11360M+.154/1561.040UV spectrum0.104 mg / 10 mlspath length : 1.00 cmsolvent : ethanol201.5h4080120160200240280200250300350m/e2 (nm)% of base peakabsorbance

The structure of the compound is shown below according to the given spectroscopic data - IR, MS, 1H…

IR Spectrum (liquid film) 1690 4000 3000 2000 1600 1200 800 0.0 v (cm') 100 Mass Spectrum 139/141 0.5 80 111/113 60 M+ 154/156 1.0 40 UV spectrum 0.104 mg / 10 mls path length : 1.00 cm 20 solvent : ethanol 1.5 40 80 120 160 200 240 280 200 250 300 350 m/e 2 (nm) % of base peak wlililılılılılılt. absorbance

IR Spectrum (liquid film) 1690 4000 3000 2000 1600 1200 800 0.0 v (cm') 100 Mass Spectrum 139/141 0.5 80 111/113 60 M+ 154/156 1.0 40 UV spectrum 0.104 mg / 10 mls path length : 1.00 cm 20 solvent : ethanol 1.5 40 80 120 160 200 240 280 200 250 300 350 m/e 2 (nm) % of base peak wlililılılılılılt. absorbance

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter31: Introduction To Analytical Separations

Section: Chapter Questions

Problem 31.5QAP

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