How many stereoisomers does the compound PF3Cl2 have?

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SUMMARY

The compound PF3Cl2 has three stereoisomers, not five as initially thought by the participants in the discussion. The confusion arose from the identification of mesocompounds, which are indeed considered stereoisomers. The participants clarified that the top right and bottom structures, as well as the top two middle structures, are mesocompounds contributing to the total count of stereoisomers. This discussion highlights the importance of correctly identifying mesocompounds in stereochemistry.

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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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