Organic Chemistry: Principles And Mechanisms
Organic Chemistry: Principles And Mechanisms
2nd Edition
ISBN: 9780393663549
Author: KARTY, Joel
Publisher: W. W. Norton and Company
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Chapter 4, Problem 4.5YT
Interpretation Introduction

Interpretation:

A molecule of ethane (H3C-CH3) using a molecular modeling kit is to be constructed. The C-C bond is rotated so that the molecule is in an eclipsed conformation. Again the C-C bond is rotated so that now it is in a staggered conformation. Whether the C-H bonds are closer in the staggered conformation or in the eclipsed conformation is to be explained.

Concept introduction:

In Eclipsed conformations, the C-H bonds on the front carbon atom cover or eclipse those on the rear carbon atom in the Newman projections. In staggered conformations, each C-H bond on the front carbon atom bisects a pair of C-H bonds on the rear carbon, so the bonds to the front and rear carbon atoms alternate around the circle. In the staggered conformation, repulsion among the electrons in the C-H bonds is at a minimum, making this the more stable conformation. In the eclipsed conformation, that repulsion is at a maximum, making it the less stable conformation. Eclipsed conformations possess torsional strain, and staggered conformations do not.

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Chapter 4 Solutions

Organic Chemistry: Principles And Mechanisms

Ch. 4 - Prob. 4.11PCh. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - Prob. 4.14PCh. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Prob. 4.17PCh. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - Prob. 4.20PCh. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - Prob. 4.28PCh. 4 - Prob. 4.29PCh. 4 - Prob. 4.30PCh. 4 - Prob. 4.31PCh. 4 - Prob. 4.32PCh. 4 - Prob. 4.33PCh. 4 - Prob. 4.34PCh. 4 - Prob. 4.35PCh. 4 - Prob. 4.36PCh. 4 - Prob. 4.37PCh. 4 - Prob. 4.38PCh. 4 - Prob. 4.39PCh. 4 - Prob. 4.40PCh. 4 - Prob. 4.41PCh. 4 - Prob. 4.42PCh. 4 - Prob. 4.43PCh. 4 - Prob. 4.44PCh. 4 - Prob. 4.45PCh. 4 - Prob. 4.46PCh. 4 - Prob. 4.47PCh. 4 - Prob. 4.48PCh. 4 - Prob. 4.49PCh. 4 - Prob. 4.50PCh. 4 - Prob. 4.51PCh. 4 - Prob. 4.52PCh. 4 - Prob. 4.53PCh. 4 - Prob. 4.54PCh. 4 - Prob. 4.55PCh. 4 - Prob. 4.56PCh. 4 - Prob. 4.57PCh. 4 - Prob. 4.58PCh. 4 - Prob. 4.59PCh. 4 - Prob. 4.60PCh. 4 - Prob. 4.61PCh. 4 - Prob. 4.62PCh. 4 - Prob. 4.63PCh. 4 - Prob. 4.64PCh. 4 - Prob. 4.65PCh. 4 - Prob. 4.66PCh. 4 - Prob. 4.67PCh. 4 - Prob. 4.68PCh. 4 - Prob. 4.69PCh. 4 - Prob. 4.70PCh. 4 - Prob. 4.71PCh. 4 - Prob. 4.72PCh. 4 - Prob. 4.73PCh. 4 - Prob. 4.1YTCh. 4 - Prob. 4.2YTCh. 4 - Prob. 4.3YTCh. 4 - Prob. 4.4YTCh. 4 - Prob. 4.5YTCh. 4 - Prob. 4.6YTCh. 4 - Prob. 4.7YTCh. 4 - Prob. 4.8YTCh. 4 - Prob. 4.9YTCh. 4 - Prob. 4.10YTCh. 4 - Prob. 4.11YTCh. 4 - Prob. 4.12YTCh. 4 - Prob. 4.13YTCh. 4 - Prob. 4.14YTCh. 4 - Prob. 4.15YTCh. 4 - Prob. 4.16YTCh. 4 - Prob. 4.17YTCh. 4 - Prob. 4.18YTCh. 4 - Prob. 4.19YTCh. 4 - Prob. 4.20YTCh. 4 - Prob. 4.21YTCh. 4 - Prob. 4.22YTCh. 4 - Prob. 4.23YTCh. 4 - Prob. 4.24YTCh. 4 - Prob. 4.25YT
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