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Topic: Transition metal complex isomers  (Read 2290 times)

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Offline owlpower

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Transition metal complex isomers
« on: December 02, 2018, 09:56:34 AM »
I've never come across such a complex, and I only know fac and mer isomers for complexes of the type MA3B3.

Still, even with MA2B4, I think there is a scenario where mer can be formed (trans case).

I'd say 2 of the geometric isomers I've drawn is of the fac-mer type. Is this correct?


https://imgur.com/2Bx37so
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Offline mjc123

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Re: Transition metal complex isomers
« Reply #1 on: December 03, 2018, 04:55:46 AM »
Like you, I associate fac-mer isomerism with MA3B3 complexes, and cis-trans with MA4B2. Personally I would say none of your isomers are fac-mer.

Have you got all the linkage isomers? I don't know if they can be made practically, but theoretically you could have one -NO2 and one -ONO.
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Offline owlpower

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Re: Transition metal complex isomers
« Reply #2 on: December 03, 2018, 10:21:42 AM »
Yes, I agree with you on both points. I don't think there should be any fac-mer isomers.

I also thought it would be practically impossible to have one -NO2 and -ONO, but in theory it's definitely possible.
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