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soluble berlin blue

chehemi123
in Inorganic Chemistry

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Hey guys...

 

i´m looking for an orbital energy diagram of soluble Berlin Blue:

K[FeIIIFeII(CN)6]

 

I don't know how to combine the two diagrams of the hexacyanoferrates [Fe(CN)6]4- and [Fe(CN)6]3+...so that we have K[Fe(III)Fe(II)(CN6)].

 

Can you have a look at my idea?

diagrams.pdf

Your MO diagrams for the two hexacyano-iron complexes are correct except for not showing the occupied pi states on the cyano ligands . I honestly have no idea how you would construct an MO diagram for the whole mixed oxidation state complex. What do you expect the nature of the Fe-Fe bond to be?

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