Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm¹ ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (/-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 Spectrometry (not shown): [M] = 158 m/z Infrared Spectroscopy (not shown): 2982, 1731, 1717, 1149 cm¹ ¹H Nuclear Magnetic Resonance. 220 2H ¹³C Nuclear Magnetic Resonance. 200 -3 180 160 140 3H PPM 120 PPM 100 9H 80 60 8 20
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm¹ ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (/-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 Spectrometry (not shown): [M] = 158 m/z Infrared Spectroscopy (not shown): 2982, 1731, 1717, 1149 cm¹ ¹H Nuclear Magnetic Resonance. 220 2H ¹³C Nuclear Magnetic Resonance. 200 -3 180 160 140 3H PPM 120 PPM 100 9H 80 60 8 20
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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determine the chemical structure
![**Information:** Each spectrum below was obtained from a pure compound. Mass spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm⁻¹.
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 Spectrometry (not shown):** [M] = 158 m/z
**Infrared Spectroscopy (not shown):** 2982, 1731, 1717, 1149 cm⁻¹
---
### ¹H Nuclear Magnetic Resonance
The ¹H NMR spectrum presents peaks with integrals indicating the number of hydrogens contributing to each signal. The spectrum has three distinct signals:
- At approximately 3.9 ppm, there is a singlet with an integral of 2H.
- At around 2.1 ppm, there is another singlet with an integral of 3H.
- Near 1.0 ppm, there is a singlet with an integral of 9H.
---
### ¹³C Nuclear Magnetic Resonance
The ¹³C NMR spectrum presents several peaks over a range of approximately 0 to 220 ppm:
- Peaks are observed around 14, 23, 38, 43, 122, 135, and 178 ppm.
---
Note: The exact chemical shifts and their multiplicities can provide information about the structure and environment of the hydrogens and carbons in the compound.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5f1630e-c465-44f2-a868-b429d99d07e1%2Fdef203d4-d8b8-4a4d-a3bf-871df22ccb9a%2Fxj160gc_processed.png&w=3840&q=75)
Transcribed Image Text:**Information:** Each spectrum below was obtained from a pure compound. Mass spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm⁻¹.
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 Spectrometry (not shown):** [M] = 158 m/z
**Infrared Spectroscopy (not shown):** 2982, 1731, 1717, 1149 cm⁻¹
---
### ¹H Nuclear Magnetic Resonance
The ¹H NMR spectrum presents peaks with integrals indicating the number of hydrogens contributing to each signal. The spectrum has three distinct signals:
- At approximately 3.9 ppm, there is a singlet with an integral of 2H.
- At around 2.1 ppm, there is another singlet with an integral of 3H.
- Near 1.0 ppm, there is a singlet with an integral of 9H.
---
### ¹³C Nuclear Magnetic Resonance
The ¹³C NMR spectrum presents several peaks over a range of approximately 0 to 220 ppm:
- Peaks are observed around 14, 23, 38, 43, 122, 135, and 178 ppm.
---
Note: The exact chemical shifts and their multiplicities can provide information about the structure and environment of the hydrogens and carbons in the compound.
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