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In the box below give the Newman projection of the most stable conformer of the molecule shown below looking at the C2-C3 bond (in red). Place C2 in front. On the side list the energy strains that exist in that conformation. 3 CH3

In the box below give the Newman projection of the most stable conformer of the molecule shown below looking at the C2-C3 bond (in red). Place C2 in front. On the side list the energy strains that exist in that conformation. 3 CH3

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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**Newman Projection of the Most Stable Conformer of a Molecule** In this exercise, we are asked to give the Newman projection of the most stable conformer of the molecule shown below, focusing on the C2-C3 bond (highlighted in red). Place C2 in front. Additionally, we will list the energy strains that exist in that conformation. ![Molecule Structure](image.png) ### Description 1. **Molecular Structure**: The provided molecular structure is viewed along the C2-C3 bond, with the carbon atoms C2 and C3 indicated by numbers in red. 2. **Newman Projection**: Below the molecular structure, there is a Newman projection representing the most stable conformer. The projection is depicted within a box and places carbon C2 in the foreground. ### Diagram Explanation - The diagram in the box is a typical Newman projection. - The circle in the Newman diagram represents the front carbon atom (C2). - Lines radiating from the circle represent the three bonds to atoms or groups attached to C2. - The back carbon atom (C3) has bonds represented by a "Y" shape behind the circle. - One of the substituents on C3 is a CH₃ (methyl group), and the positions of all other substituents are adjusted to achieve the most stable conformation. ### Energy Strains In the most stable conformer of this molecule, we need to consider the following energy strains: 1. **Steric Strain (Van der Waals Strain)**: This occurs when atoms are too close to each other, causing repulsion between electron clouds. The most stable conformation minimizes steric strain. 2. **Torsional Strain**: This is due to eclipsing interactions when atoms or groups are in a position where their electron clouds are aligned. The most stable conformation typically has staggered rather than eclipsed interactions, thereby minimizing torsional strain. ### Conclusion The provided Newman projection illustrates the most stable conformation of the molecule viewed along the C2-C3 bond. By placing C2 in the front and appropriately staggering the groups attached to C2 and C3, the structure avoids significant steric and torsional strains, resulting in a preferred low-energy state. The understanding of Newman projections is instrumental in visualizing and predicting the stability of different molecular conformers based on spatial arrangements.
Transcribed Image Text:**Newman Projection of the Most Stable Conformer of a Molecule** In this exercise, we are asked to give the Newman projection of the most stable conformer of the molecule shown below, focusing on the C2-C3 bond (highlighted in red). Place C2 in front. Additionally, we will list the energy strains that exist in that conformation. ![Molecule Structure](image.png) ### Description 1. **Molecular Structure**: The provided molecular structure is viewed along the C2-C3 bond, with the carbon atoms C2 and C3 indicated by numbers in red. 2. **Newman Projection**: Below the molecular structure, there is a Newman projection representing the most stable conformer. The projection is depicted within a box and places carbon C2 in the foreground. ### Diagram Explanation - The diagram in the box is a typical Newman projection. - The circle in the Newman diagram represents the front carbon atom (C2). - Lines radiating from the circle represent the three bonds to atoms or groups attached to C2. - The back carbon atom (C3) has bonds represented by a "Y" shape behind the circle. - One of the substituents on C3 is a CH₃ (methyl group), and the positions of all other substituents are adjusted to achieve the most stable conformation. ### Energy Strains In the most stable conformer of this molecule, we need to consider the following energy strains: 1. **Steric Strain (Van der Waals Strain)**: This occurs when atoms are too close to each other, causing repulsion between electron clouds. The most stable conformation minimizes steric strain. 2. **Torsional Strain**: This is due to eclipsing interactions when atoms or groups are in a position where their electron clouds are aligned. The most stable conformation typically has staggered rather than eclipsed interactions, thereby minimizing torsional strain. ### Conclusion The provided Newman projection illustrates the most stable conformation of the molecule viewed along the C2-C3 bond. By placing C2 in the front and appropriately staggering the groups attached to C2 and C3, the structure avoids significant steric and torsional strains, resulting in a preferred low-energy state. The understanding of Newman projections is instrumental in visualizing and predicting the stability of different molecular conformers based on spatial arrangements.
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