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What are the bond angles on Phenylalanine

What are the bond angles on Phenylalanine

Chemistry
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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What are the bond angles on Phenylalanine?

Phenylalanine is one of the natural amino acids and is a “breakdown” product of the artificial sweetener aspartame. Estimate the values of the indicated angles in the amino acid. Explain why the —CH₂—CH(NH₂)—CO₂H chain is not linear. ### Diagram Explanation: The diagram shows the chemical structure of phenylalanine, an amino acid. It includes the following elements and bonds: 1. **Benzene Ring**: A six-carbon ring structure with alternating double bonds, each carbon bound to a hydrogen. 2. **Amino Group (NH₂)**: Attached to a central carbon. 3. **Carboxyl Group (CO₂H)**: Consisting of a carbon double-bonded to an oxygen and single-bonded to a hydroxyl (OH) group, attached to the central carbon. 4. **Central Carbon**: Connected to the benzene ring, amino group, and carboxyl group. 5. **Hydrocarbon Chain**: The side chain structure —CH₂— linked to the central carbon. The chain —CH₂—CH(NH₂)—CO₂H is not linear due to the tetrahedral geometry around the sp³ hybridized central carbon atoms, resulting in bent or angled configurations.
Transcribed Image Text:Phenylalanine is one of the natural amino acids and is a “breakdown” product of the artificial sweetener aspartame. Estimate the values of the indicated angles in the amino acid. Explain why the —CH₂—CH(NH₂)—CO₂H chain is not linear. ### Diagram Explanation: The diagram shows the chemical structure of phenylalanine, an amino acid. It includes the following elements and bonds: 1. **Benzene Ring**: A six-carbon ring structure with alternating double bonds, each carbon bound to a hydrogen. 2. **Amino Group (NH₂)**: Attached to a central carbon. 3. **Carboxyl Group (CO₂H)**: Consisting of a carbon double-bonded to an oxygen and single-bonded to a hydroxyl (OH) group, attached to the central carbon. 4. **Central Carbon**: Connected to the benzene ring, amino group, and carboxyl group. 5. **Hydrocarbon Chain**: The side chain structure —CH₂— linked to the central carbon. The chain —CH₂—CH(NH₂)—CO₂H is not linear due to the tetrahedral geometry around the sp³ hybridized central carbon atoms, resulting in bent or angled configurations.
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