The-Organic-Chemistry-Tutor
This YouTube video explains the boat conformation of cyclohexane and its relative instability compared to other conformations. The instructor highlights steric strain and electron repulsion as the main culprits, but also notes torsional strain amongst the CH bonds of eclipsed hydrogen atoms. The twist boat conformation is presented as a more stable alternative to the boat conformation, and the half chair conformation is noted as the least stable. The chair conformation is briefly mentioned as the most stable. The video offers links to additional practice problems and extended organic chemistry videos available through the author's Patreon and YouTube membership program, as well as worksheets for various organic chemistry topics.
In this section, the instructor draws a representation of the boat conformation and explains why it is relatively unstable compared to the other three conformations of cyclohexane. One of the main reasons for instability is steric strain due to the flagpole hydrogen atoms, which clash with each other leading to electron repulsion. Additionally, there is torsional strain among the CH bonds of eclipsed hydrogen atoms that are on adjacent carbons. However, by twisting the boat conformation to form the twist boat conformation, the steric strain is reduced, making it more stable than the boat conformation. Finally, the least stable conformation is the half chair conformation.
In this section, the video briefly discusses the chair confirmation as the most stable structure of cyclohexane and provides links to additional practice problems and extended organic chemistry videos that are available on the author's Patreon membership and YouTube membership program. The author also remarks that there are longer videos available for each organic chemistry topic and provides worksheets as an alternative for those who prefer to study by working through problems rather than watching lengthy videos. The worksheets are available for chair confirmations, stereochemistry, specific rotation, and many other organic chemistry topics, with more coming soon for those interested in final exam review materials.
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