How many stereoisomers does the compound PF3Cl2 have?

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The discussion centers on the stereoisomers of the compound PF3Cl2, with an initial claim of five isomers. However, it is clarified that the correct number is three, as some structures identified are mesocompounds, which count as stereoisomers. Participants engage in analyzing the differences between the structures and their classifications. The confusion arises from misidentifying certain mesocompounds, but ultimately, the mistake is acknowledged and corrected. The conversation emphasizes the importance of accurately identifying stereoisomers in chemical structures.
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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.
 
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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