Problem 2 Spectra 240 Relative Intensity LOD TRANSMITTANCE D CDC13 100 80 20- 4000 platult.p 3440 72 1641 70 1504 60 1427 60 1402 47 1382 70 1359 45 1364 38 3429 72 3343 74 3094 84 3053 84 3003 86 1676 4 220 25 200 3000 50 1310 43 1014 72 1280 52 991 84 953 44 837 34 1257 26 1246 37 1119 81 1089 74 1026 77 QE-300 180 652 52 604 55 602 62 160 2000 75 m/z HAVENUMBERI- 140 100 1500 120 100 125 1000 80 150 60 http 500 40 20 0
Problem 2 Spectra 240 Relative Intensity LOD TRANSMITTANCE D CDC13 100 80 20- 4000 platult.p 3440 72 1641 70 1504 60 1427 60 1402 47 1382 70 1359 45 1364 38 3429 72 3343 74 3094 84 3053 84 3003 86 1676 4 220 25 200 3000 50 1310 43 1014 72 1280 52 991 84 953 44 837 34 1257 26 1246 37 1119 81 1089 74 1026 77 QE-300 180 652 52 604 55 602 62 160 2000 75 m/z HAVENUMBERI- 140 100 1500 120 100 125 1000 80 150 60 http 500 40 20 0
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
Chapter20: Molecular Mass Spectrometry
Section: Chapter Questions
Problem 20.16QAP
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Question
2) On spectra 2 are the mass, IR and 13 C and 1 H NMR
spectra of an organic compound.
a) From these spectra, determine the structure of the molecule. Remember
to ignore the triad in the 13 C NMR spectrum at 7 ppm that comes from the
NMR solvent.
b) Draw the structure of the molecule and label each hydrogen with a letter
(A, B, C...). Then fill in the peak assignment table below.
hydrogen | chemical shift | integration | splitting pattern | couples to |
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