Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule. For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Mass Spectrum (not shown): [M] = 175 (100%) m/z IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm³¹ (all listed are strong (s) unless otherwise indicated) ¹H NMR Spectrum (400 MHz, CDCI3, 25 °C) 8 m 180 4H 6 2H 13C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C) (CH) (CH) (C) (C) (C) (C) ¡H 160 140 120 PPM 100 PPM 80 3 60 S 3H -2 90 (CH₂) (CH3) 20 O
Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule. For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Mass Spectrum (not shown): [M] = 175 (100%) m/z IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm³¹ (all listed are strong (s) unless otherwise indicated) ¹H NMR Spectrum (400 MHz, CDCI3, 25 °C) 8 m 180 4H 6 2H 13C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C) (CH) (CH) (C) (C) (C) (C) ¡H 160 140 120 PPM 100 PPM 80 3 60 S 3H -2 90 (CH₂) (CH3) 20 O
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Identify the unknown
![Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule.
For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants
(J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a
"zoom-in" on an important part of the spectrum.
Mass Spectrum (not shown): [M] = 175 (100%) m/z
IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm¹ (all listed are strong (s) unless otherwise
indicated)
¹H NMR Spectrum (400 MHz, CDCI3, 25 °C)
8
180
m
4H
(C)
160
1³C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C)
(CH) (CH)
(C)
5
140
(C) (C)
S
120
2H
PPM
100
PPM
80
60
S
3H
40
(CH₂) (CH3)
20
O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf5d5edb-7877-4fa8-9f1a-7a2f9163b8ac%2F5299f059-5040-4bc8-b2ca-8a65706ed5d2%2Fmdvwi15_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule.
For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants
(J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a
"zoom-in" on an important part of the spectrum.
Mass Spectrum (not shown): [M] = 175 (100%) m/z
IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm¹ (all listed are strong (s) unless otherwise
indicated)
¹H NMR Spectrum (400 MHz, CDCI3, 25 °C)
8
180
m
4H
(C)
160
1³C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C)
(CH) (CH)
(C)
5
140
(C) (C)
S
120
2H
PPM
100
PPM
80
60
S
3H
40
(CH₂) (CH3)
20
O
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Step 1: NMR spectroscopy
VIEWStep 2: Carbon NMR spectroscopy
VIEWStep 3: IR spectroscopy
VIEWStep 4: Proton NMR spectroscopy
VIEWStep 5: Mass spectrometry and determine molecular formula
VIEWStep 6: Determine molecular formula and DOU
VIEWStep 7: Determine structure for given data
VIEWStep 8: Assignment of signals
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