The 'H NMR and 13C spectra of a compound with a molecular formula of C,H1202 are shown below. 1. Name the compound in the textbox below. 2. Draw a possible structure for this compound. 1Η NMR 2H 2H 2H 3HPPM 3H 13C NMR 220 200 100 120 PPM 100 100 00
The 'H NMR and 13C spectra of a compound with a molecular formula of C,H1202 are shown below. 1. Name the compound in the textbox below. 2. Draw a possible structure for this compound. 1Η NMR 2H 2H 2H 3HPPM 3H 13C NMR 220 200 100 120 PPM 100 100 00
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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![### Analysis of ^1H NMR and ^13C NMR Spectra
**Objective:**
Analyze the provided ^1H NMR and ^13C NMR spectra for a compound with the molecular formula \( \text{C}_6\text{H}_{12}\text{O}_2 \).
#### ^1H NMR Spectrum (Proton NMR):
- The ^1H NMR spectrum reveals the following peaks:
- A quartet around \( \delta = 3.7 \) ppm, integrating for 2 hydrogens (2H).
- A triplet around \( \delta = 2.3 \) ppm, integrating for 2 hydrogens (2H).
- A triplet around \( \delta = 2.1 \) ppm, integrating for 2 hydrogens (2H).
- A singlet around \( \delta = 1.1 \) ppm, integrating for 3 hydrogens (3H).
- Peaks illustrate proton environments and multiplicity (splitting):
- The peak at 3.7 ppm is indicative of a methylene group (-CH2-) adjacent to an electronegative atom such as oxygen (O).
- The peak at 2.3 ppm can signify protons ( methylene group adjacent to a carbonyl group (C=O)).
- The peak at 2.1 ppm indicates another methylene group.
- The peak at 1.1 ppm usually represents a methyl group (-CH3).
#### ^13C NMR Spectrum (Carbon NMR):
- The ^13C NMR spectrum displays the following chemical shifts:
- Signal around \( \delta = 205 \) ppm.
- Signal around \( \delta = 65 \) ppm.
- Signal around \( \delta = 34 \) ppm.
- Multiple signals between \( \delta = 20-40 \) ppm.
- The peak at 205 ppm likely corresponds to a carbonyl carbon (C=O).
- The peak at 65 ppm suggests a carbon attached to an electronegative atom such as oxygen.
- The peaks between 20-40 ppm can be associated with methylene and methyl carbons.
**Conclusions:**
1. The molecular formula C6H12O2 suggests the presence of possibly ester functionality.
2. Combining the ^1H and ^13C NMR data, a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8df32e3-4eba-4af7-972a-412049449c56%2Fd1b4618b-6d57-4f3d-b18d-e39e6308e391%2Fie19dg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Analysis of ^1H NMR and ^13C NMR Spectra
**Objective:**
Analyze the provided ^1H NMR and ^13C NMR spectra for a compound with the molecular formula \( \text{C}_6\text{H}_{12}\text{O}_2 \).
#### ^1H NMR Spectrum (Proton NMR):
- The ^1H NMR spectrum reveals the following peaks:
- A quartet around \( \delta = 3.7 \) ppm, integrating for 2 hydrogens (2H).
- A triplet around \( \delta = 2.3 \) ppm, integrating for 2 hydrogens (2H).
- A triplet around \( \delta = 2.1 \) ppm, integrating for 2 hydrogens (2H).
- A singlet around \( \delta = 1.1 \) ppm, integrating for 3 hydrogens (3H).
- Peaks illustrate proton environments and multiplicity (splitting):
- The peak at 3.7 ppm is indicative of a methylene group (-CH2-) adjacent to an electronegative atom such as oxygen (O).
- The peak at 2.3 ppm can signify protons ( methylene group adjacent to a carbonyl group (C=O)).
- The peak at 2.1 ppm indicates another methylene group.
- The peak at 1.1 ppm usually represents a methyl group (-CH3).
#### ^13C NMR Spectrum (Carbon NMR):
- The ^13C NMR spectrum displays the following chemical shifts:
- Signal around \( \delta = 205 \) ppm.
- Signal around \( \delta = 65 \) ppm.
- Signal around \( \delta = 34 \) ppm.
- Multiple signals between \( \delta = 20-40 \) ppm.
- The peak at 205 ppm likely corresponds to a carbonyl carbon (C=O).
- The peak at 65 ppm suggests a carbon attached to an electronegative atom such as oxygen.
- The peaks between 20-40 ppm can be associated with methylene and methyl carbons.
**Conclusions:**
1. The molecular formula C6H12O2 suggests the presence of possibly ester functionality.
2. Combining the ^1H and ^13C NMR data, a
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