How many stereoisomers does the compound PF3Cl2 have?

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Discussion Overview

The discussion revolves around the number of stereoisomers for the compound PF3Cl2, focusing on the concepts of isomerism and mesocompounds. Participants explore their reasoning and calculations regarding the stereoisomer count.

Discussion Character

  • Debate/contested

Main Points Raised

  • One participant initially claims there are 5 stereoisomers but later acknowledges a potential mistake, suggesting the answer might be 3.
  • Another participant proposes that certain structures are mesocompounds, which could affect the count of stereoisomers.
  • Questions are raised about the differences between specific structures, indicating uncertainty in distinguishing between them.
  • A later reply confirms the identification of mesocompounds and states they should be counted as stereoisomers.
  • One participant admits to finding their mistake after further discussion.

Areas of Agreement / Disagreement

Participants express differing views on the number of stereoisomers, with some suggesting there are 3 while others initially counted 5. The discussion remains unresolved regarding the final count and the classification of certain structures as mesocompounds.

Contextual Notes

There are unresolved assumptions about the definitions of mesocompounds and how they influence the total count of stereoisomers. The discussion also reflects varying interpretations of the structures involved.

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Summary:: Isomery

My attemption: (I found 5)

Sem título.png

But the answer is 3 forms, where I missing?
 
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For whatever reason, I think the issue is that the top right structure and the bottom structure are mesocompounds and the top 2 middle ones are mesocompounds as well, I could be very wrong but that's what I am thinking.
 
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What makes you think 1 is different from 2, or 3 from 4?
 
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Nick tringali said:
For whatever reason, I think the issue is that the top right structure and the bottom structure are mesocompounds and the top 2 middle ones are mesocompounds as well, I could be very wrong but that's what I am thinking.
Exactly, they are mesocompounds, but they also count as stereoisomers.
 
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mjc123 said:
What makes you think 1 is different from 2, or 3 from 4?
Yes you are right. I already found my mistake
 
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