Solving CycloHexane Isomerism: Find Total # Possible Isomers

In summary, the conversation discusses the process of finding the total number of possible isomers with the molecular formula C6H12 that contain a cyclobutane ring. It is determined that there are 8 possible isomers, but the book where the question was found states that there are only 7 isomers. A discussion ensues about the argument for compound 3 and it is concluded that there are actually only 3 isomers in this case.
  • #1
phoenixXL
49
3
Question
Find out the total number of possible isomers with molecular formula C6H12 that contain a cyclobutane ring.

Attempted Solution
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In Compound 3, Optical Isomerism is possible (geometrical isomerism is also possible but is neglected due to presence of optical isomerism) about both the branches, hence it will be counted as 4 isomers

In Compound 4, Geometrical Isomerism is possible about the two branches, therefore it will be counted as 2 isomers

Counting All
: 1 + 1 + 4 + 2 = 8

Hence there are 8 isomers possible

Problem
The book where I found this question says that it consists only of 7 isomers.

Please help me out. Thanks for your time.
 
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  • #2
Check 3rd.
 
  • #3
Yes, I was suspecting the argument with compound 3.

Please Verify
Compound 3 will have cis & trans forms. The cis form due to symmetry would not have optical isomers whereas the trans form would have optical isomers. As a result there would be three isomers (rather than 4).
 
  • #4
Yes, 3 not 4.
 
  • #5
thank you for your time :)
 

What is cyclohexane isomerism?

Cyclohexane isomerism refers to the phenomenon where compounds with the same molecular formula, but different structural arrangements, exist. In other words, it is the ability of cyclohexane molecules to exist in different forms or isomers.

Why is it important to solve cyclohexane isomerism?

Solving cyclohexane isomerism is important because it helps us understand the unique properties and behaviors of different isomers. This knowledge is crucial in various fields of chemistry, such as drug development, materials science, and organic synthesis.

What is the total number of possible isomers for cyclohexane?

The total number of possible isomers for cyclohexane is 30. This includes all the possible arrangements of single and double bonds in the molecule.

How do scientists determine the total number of possible isomers for cyclohexane?

Scientists use principles of structural isomerism and geometric isomerism to determine the total number of possible isomers for cyclohexane. They also use mathematical calculations and computer modeling to generate and analyze different isomeric structures.

What are some real-life applications of cyclohexane isomerism?

Cyclohexane isomerism has various real-life applications, including in the production of synthetic materials, such as plastics and rubber. It is also important in the development of new pharmaceutical drugs and in the study of natural products, such as plant-derived compounds.

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